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<h1>Analysis Server Plugin API Specification</h1>
<h1 style="color:#999999">Version
1.0.0-alpha.0
</h1>
<p>
This document contains a specification of the API used by the analysis
server to communicate with analysis server plugins. Changes to the API will be
accompanied by an update to the protocol version number according to the
principles of semantic versioning
(<a href="http://semver.org/">semver.org</a>).
</p>
<h2>Overview</h2>
<p>
TBD
</p>
<h2 class="domain"><a name="domain_plugin">plugin domain</a></h2>
<p>
The plugin domain contains API’s related to the execution of a plugin.
</p>
<p>
TODO: Provide notifications by which plugins can report instrumentation
and/or DartSilo data.
</p>
<p>
TODO: Add a notification to the server protocol to inform the client of
problems related to the execution of plugins.
</p>
<h3>Requests</h3><dl><dt class="request"><a name="request_plugin.versionCheck">plugin.versionCheck</a> (<a href="#request_plugin.versionCheck">#</a>)</dt><dd><div class="box"><pre>request: {
"id": String
"method": "plugin.versionCheck"
"params": {
"<b>byteStorePath</b>": String
"<b>version</b>": String
}
}</pre><br><pre>response: {
"id": String
"error": <span style="color:#999999">optional</span> <a href="#type_RequestError">RequestError</a>
"result": {
"<b>isCompatible</b>": bool
"<b>name</b>": String
"<b>version</b>": String
"<b>contactInfo</b>": <span style="color:#999999">optional</span> String
"<b>interestingFiles</b>": List&lt;String&gt;
}
}</pre></div>
<p>
Used to request that the plugin perform a version check to confirm that it
works with the version of the analysis server that is executing it.
</p>
<h4>parameters:</h4><dl><dt class="field"><b>byteStorePath (String)</b></dt><dd>
<p>
The path to the directory containing the on-disk byte store that is to
be used by any analysis drivers that are created.
</p>
</dd><dt class="field"><b>version (String)</b></dt><dd>
<p>
The version number of the plugin spec supported by the analysis server
that is executing the plugin.
</p>
</dd></dl><h4>returns:</h4><dl><dt class="field"><b>isCompatible (bool)</b></dt><dd>
<p>
A flag indicating whether the plugin supports the same version of the
plugin spec as the analysis server. If the value is <tt>false</tt>,
then the plugin is expected to shutdown after returning the response.
</p>
</dd><dt class="field"><b>name (String)</b></dt><dd>
<p>
The name of the plugin. This value is only used when the server needs
to identify the plugin, either to the user or for debugging purposes.
</p>
</dd><dt class="field"><b>version (String)</b></dt><dd>
<p>
The version of the plugin. This value is only used when the server
needs to identify the plugin, either to the user or for debugging
purposes.
</p>
</dd><dt class="field"><b>contactInfo (<span style="color:#999999">optional</span> String)</b></dt><dd>
<p>
Information that the user can use to use to contact the maintainers of
the plugin when there is a problem.
</p>
</dd><dt class="field"><b>interestingFiles (List&lt;String&gt;)</b></dt><dd>
<p>
The glob patterns of the files for which the plugin will provide
information. This value is ignored if the <tt>isCompatible</tt>
field is <tt>false</tt>. Otherwise, it will be used to identify
the files for which the plugin should be notified of changes.
</p>
</dd></dl></dd><dt class="request"><a name="request_plugin.shutdown">plugin.shutdown</a> (<a href="#request_plugin.shutdown">#</a>)</dt><dd><div class="box"><pre>request: {
"id": String
"method": "plugin.shutdown"
}</pre><br><pre>response: {
"id": String
"error": <span style="color:#999999">optional</span> <a href="#type_RequestError">RequestError</a>
}</pre></div>
<p>
Used to request that the plugin exit. The server will not send any other
requests after this request. The plugin should not send any responses or
notifications after sending the response to this request.
</p>
</dd></dl><h3>Notifications</h3><dl><dt class="notification"><a name="notification_plugin.error">plugin.error</a> (<a href="#notification_plugin.error">#</a>)</dt><dd><div class="box"><pre>notification: {
"event": "plugin.error"
"params": {
"<b>isFatal</b>": bool
"<b>message</b>": String
"<b>stackTrace</b>": String
}
}</pre></div>
<p>
Used to report that an unexpected error has occurred while executing the
plugin. This notification is not used for problems with specific requests
(which should be returned as part of the response) but is used for
exceptions that occur while performing other tasks, such as analysis or
preparing notifications.
</p>
<h4>parameters:</h4><dl><dt class="field"><b>isFatal (bool)</b></dt><dd>
<p>
A flag indicating whether the error is a fatal error, meaning that the
plugin will shutdown automatically after sending this notification. If
<tt>true</tt>, the server will not expect any other responses or
notifications from the plugin.
</p>
</dd><dt class="field"><b>message (String)</b></dt><dd>
<p>
The error message indicating what kind of error was encountered.
</p>
</dd><dt class="field"><b>stackTrace (String)</b></dt><dd>
<p>
The stack trace associated with the generation of the error, used for
debugging the plugin.
</p>
</dd></dl></dd></dl>
<h2 class="domain"><a name="domain_analysis">analysis domain</a></h2>
<p>
The analysis domain contains API’s related to the analysis of files.
</p>
<h3>Requests</h3><dl><dt class="request"><a name="request_analysis.handleWatchEvents">analysis.handleWatchEvents</a> (<a href="#request_analysis.handleWatchEvents">#</a>)</dt><dd><div class="box"><pre>request: {
"id": String
"method": "analysis.handleWatchEvents"
"params": {
"<b>events</b>": List&lt;<a href="#type_WatchEvent">WatchEvent</a>&gt;
}
}</pre><br><pre>response: {
"id": String
"error": <span style="color:#999999">optional</span> <a href="#type_RequestError">RequestError</a>
}</pre></div>
<p>
Used to inform the plugin of changes to files in the file system. Only
events associated with files that match the <tt>interestingFiles</tt> glob
patterns will be forwarded to the plugin.
</p>
<h4>parameters:</h4><dl><dt class="field"><b>events (List&lt;<a href="#type_WatchEvent">WatchEvent</a>&gt;)</b></dt><dd>
<p>
The watch events that the plugin should handle.
</p>
</dd></dl></dd><dt class="request"><a name="request_analysis.reanalyze">analysis.reanalyze</a> (<a href="#request_analysis.reanalyze">#</a>)</dt><dd><div class="box"><pre>request: {
"id": String
"method": "analysis.reanalyze"
"params": {
"<b>roots</b>": <span style="color:#999999">optional</span> List&lt;<a href="#type_FilePath">FilePath</a>&gt;
}
}</pre><br><pre>response: {
"id": String
"error": <span style="color:#999999">optional</span> <a href="#type_RequestError">RequestError</a>
}</pre></div>
<p>
Used to force the re-analysis of everything contained in the specified
context roots. This should cause all previously computed analysis results
to be discarded and recomputed, and should cause all subscribed
notifications to be re-sent.
</p>
<h4>parameters:</h4><dl><dt class="field"><b>roots (<span style="color:#999999">optional</span> List&lt;<a href="#type_FilePath">FilePath</a>&gt;)</b></dt><dd>
<p>
A list of the context roots that are to be re-analyzed.
</p>
<p>
If no context roots are provided, then all current context roots
should be re-analyzed.
</p>
</dd></dl></dd><dt class="request"><a name="request_analysis.setContextBuilderOptions">analysis.setContextBuilderOptions</a> (<a href="#request_analysis.setContextBuilderOptions">#</a>)</dt><dd><div class="box"><pre>request: {
"id": String
"method": "analysis.setContextBuilderOptions"
"params": {
"<b>options</b>": <a href="#type_ContextBuilderOptions">ContextBuilderOptions</a>
}
}</pre><br><pre>response: {
"id": String
"error": <span style="color:#999999">optional</span> <a href="#type_RequestError">RequestError</a>
}</pre></div>
<p>
Used to set the options used to build analysis contexts. This request will
be sent exactly once before any context roots have been specified.
</p>
<h4>parameters:</h4><dl><dt class="field"><b>options (<a href="#type_ContextBuilderOptions">ContextBuilderOptions</a>)</b></dt><dd>
<p>
The options used to build the analysis contexts.
</p>
</dd></dl></dd><dt class="request"><a name="request_analysis.setContextRoots">analysis.setContextRoots</a> (<a href="#request_analysis.setContextRoots">#</a>)</dt><dd><div class="box"><pre>request: {
"id": String
"method": "analysis.setContextRoots"
"params": {
"<b>roots</b>": List&lt;<a href="#type_ContextRoot">ContextRoot</a>&gt;
}
}</pre><br><pre>response: {
"id": String
"error": <span style="color:#999999">optional</span> <a href="#type_RequestError">RequestError</a>
}</pre></div>
<p>
Set the list of context roots that should be analyzed.
</p>
<h4>parameters:</h4><dl><dt class="field"><b>roots (List&lt;<a href="#type_ContextRoot">ContextRoot</a>&gt;)</b></dt><dd>
<p>
A list of the context roots that should be analyzed.
</p>
</dd></dl></dd><dt class="request"><a name="request_analysis.setPriorityFiles">analysis.setPriorityFiles</a> (<a href="#request_analysis.setPriorityFiles">#</a>)</dt><dd><div class="box"><pre>request: {
"id": String
"method": "analysis.setPriorityFiles"
"params": {
"<b>files</b>": List&lt;<a href="#type_FilePath">FilePath</a>&gt;
}
}</pre><br><pre>response: {
"id": String
"error": <span style="color:#999999">optional</span> <a href="#type_RequestError">RequestError</a>
}</pre></div>
<p>
Used to set the priority files to the files in the given list. A priority
file is a file that should be given priority when scheduling which
analysis work to do first. The list typically contains those files that
are visible to the user and those for which analysis results will have the
biggest impact on the user experience. The order of the files within the
list is significant: the first file will be given higher priority than
the second, the second higher priority than the third, and so on.
</p>
<h4>parameters:</h4><dl><dt class="field"><b>files (List&lt;<a href="#type_FilePath">FilePath</a>&gt;)</b></dt><dd>
<p>
The files that are to be a priority for analysis.
</p>
</dd></dl></dd><dt class="request"><a name="request_analysis.setSubscriptions">analysis.setSubscriptions</a> (<a href="#request_analysis.setSubscriptions">#</a>)</dt><dd><div class="box"><pre>request: {
"id": String
"method": "analysis.setSubscriptions"
"params": {
"<b>subscriptions</b>": Map&lt;<a href="#type_AnalysisService">AnalysisService</a>, List&lt;<a href="#type_FilePath">FilePath</a>&gt;&gt;
}
}</pre><br><pre>response: {
"id": String
"error": <span style="color:#999999">optional</span> <a href="#type_RequestError">RequestError</a>
}</pre></div>
<p>
Used to subscribe for services that are specific to individual files. All
previous subscriptions should be replaced by the current set of
subscriptions. If a given service is not included as a key in the map then
no files should be subscribed to the service, exactly as if the service
had been included in the map with an explicit empty list of files.
</p>
<h4>parameters:</h4><dl><dt class="field"><b>subscriptions (Map&lt;<a href="#type_AnalysisService">AnalysisService</a>, List&lt;<a href="#type_FilePath">FilePath</a>&gt;&gt;)</b></dt><dd>
<p>
A table mapping services to a list of the files being subscribed to
the service.
</p>
</dd></dl></dd><dt class="request"><a name="request_analysis.updateContent">analysis.updateContent</a> (<a href="#request_analysis.updateContent">#</a>)</dt><dd><div class="box"><pre>request: {
"id": String
"method": "analysis.updateContent"
"params": {
"<b>files</b>": Map&lt;<a href="#type_FilePath">FilePath</a>, <a href="#type_AddContentOverlay">AddContentOverlay</a> | <a href="#type_ChangeContentOverlay">ChangeContentOverlay</a> | <a href="#type_RemoveContentOverlay">RemoveContentOverlay</a>&gt;
}
}</pre><br><pre>response: {
"id": String
"error": <span style="color:#999999">optional</span> <a href="#type_RequestError">RequestError</a>
}</pre></div>
<p>
Used to update the content of one or more files. Files that were
previously updated but not included in this update remain unchanged. This
effectively represents an overlay of the filesystem. The files whose
content is overridden are therefore seen by the plugin as being files with
the given content, even if the files do not exist on the filesystem or if
the file path represents the path to a directory on the filesystem.
</p>
<h4>parameters:</h4><dl><dt class="field"><b>files (Map&lt;<a href="#type_FilePath">FilePath</a>, <a href="#type_AddContentOverlay">AddContentOverlay</a> | <a href="#type_ChangeContentOverlay">ChangeContentOverlay</a> | <a href="#type_RemoveContentOverlay">RemoveContentOverlay</a>&gt;)</b></dt><dd>
<p>
A table mapping the files whose content has changed to a description
of the content change.
</p>
</dd></dl></dd></dl><h3>Notifications</h3><dl><dt class="notification"><a name="notification_analysis.errors">analysis.errors</a> (<a href="#notification_analysis.errors">#</a>)</dt><dd><div class="box"><pre>notification: {
"event": "analysis.errors"
"params": {
"<b>file</b>": <a href="#type_FilePath">FilePath</a>
"<b>errors</b>": List&lt;<a href="#type_AnalysisError">AnalysisError</a>&gt;
}
}</pre></div>
<p>
Used to report the errors associated with a given file. The set of errors
included in the notification is always a complete list that supersedes any
previously reported errors.
</p>
<h4>parameters:</h4><dl><dt class="field"><b>file (<a href="#type_FilePath">FilePath</a>)</b></dt><dd>
<p>
The file containing the errors.
</p>
</dd><dt class="field"><b>errors (List&lt;<a href="#type_AnalysisError">AnalysisError</a>&gt;)</b></dt><dd>
<p>
The errors contained in the file.
</p>
</dd></dl></dd><dt class="notification"><a name="notification_analysis.folding">analysis.folding</a> (<a href="#notification_analysis.folding">#</a>)</dt><dd><div class="box"><pre>notification: {
"event": "analysis.folding"
"params": {
"<b>file</b>": <a href="#type_FilePath">FilePath</a>
"<b>regions</b>": List&lt;<a href="#type_FoldingRegion">FoldingRegion</a>&gt;
}
}</pre></div>
<p>
Used to report the folding regions associated with a given file. Folding
regions can be nested, but cannot be overlapping. Nesting occurs when a
foldable element, such as a method, is nested inside another foldable
element such as a class.
</p>
<p>
Folding regions that overlap a folding region computed by the server, or
by one of the other plugins that are currently running, might be dropped
by the server in order to present a consistent view to the client.
</p>
<p>
This notification should only be sent if the server has subscribed to it
by including the value <tt>"FOLDING"</tt> in the list of services
passed in an analysis.setSubscriptions request.
</p>
<h4>parameters:</h4><dl><dt class="field"><b>file (<a href="#type_FilePath">FilePath</a>)</b></dt><dd>
<p>
The file containing the folding regions.
</p>
</dd><dt class="field"><b>regions (List&lt;<a href="#type_FoldingRegion">FoldingRegion</a>&gt;)</b></dt><dd>
<p>
The folding regions contained in the file.
</p>
</dd></dl></dd><dt class="notification"><a name="notification_analysis.highlights">analysis.highlights</a> (<a href="#notification_analysis.highlights">#</a>)</dt><dd><div class="box"><pre>notification: {
"event": "analysis.highlights"
"params": {
"<b>file</b>": <a href="#type_FilePath">FilePath</a>
"<b>regions</b>": List&lt;<a href="#type_HighlightRegion">HighlightRegion</a>&gt;
}
}</pre></div>
<p>
Used to report the highlight regions associated with a given file. Each
highlight region represents a particular syntactic or semantic meaning
associated with some range. Note that the highlight regions that are
returned can overlap other highlight regions if there is more than one
meaning associated with a particular region.
</p>
<p>
This notification should only be sent if the server has subscribed to it
by including the value <tt>"HIGHLIGHTS"</tt> in the list of services
passed in an analysis.setSubscriptions request.
</p>
<h4>parameters:</h4><dl><dt class="field"><b>file (<a href="#type_FilePath">FilePath</a>)</b></dt><dd>
<p>
The file containing the highlight regions.
</p>
</dd><dt class="field"><b>regions (List&lt;<a href="#type_HighlightRegion">HighlightRegion</a>&gt;)</b></dt><dd>
<p>
The highlight regions contained in the file.
</p>
</dd></dl></dd><dt class="notification"><a name="notification_analysis.navigation">analysis.navigation</a> (<a href="#notification_analysis.navigation">#</a>)</dt><dd><div class="box"><pre>notification: {
"event": "analysis.navigation"
"params": {
"<b>file</b>": <a href="#type_FilePath">FilePath</a>
"<b>regions</b>": List&lt;<a href="#type_NavigationRegion">NavigationRegion</a>&gt;
"<b>targets</b>": List&lt;<a href="#type_NavigationTarget">NavigationTarget</a>&gt;
"<b>files</b>": List&lt;<a href="#type_FilePath">FilePath</a>&gt;
}
}</pre></div>
<p>
Used to report the navigation regions associated with a given file. Each
navigation region represents a list of targets associated with some range.
The lists will usually contain a single target, but can contain more in
the case of a part that is included in multiple libraries or in Dart code
that is compiled against multiple versions of a package. Note that the
navigation regions that are returned should not overlap other navigation
regions.
</p>
<p>
Navigation regions that overlap a navigation region computed by the
server, or by one of the other plugins that are currently running, might
be dropped or modified by the server in order to present a consistent view
to the client.
</p>
<p>
This notification should only be sent if the server has subscribed to it
by including the value <tt>"NAVIGATION"</tt> in the list of services
passed in an analysis.setSubscriptions request.
</p>
<h4>parameters:</h4><dl><dt class="field"><b>file (<a href="#type_FilePath">FilePath</a>)</b></dt><dd>
<p>
The file containing the navigation regions.
</p>
</dd><dt class="field"><b>regions (List&lt;<a href="#type_NavigationRegion">NavigationRegion</a>&gt;)</b></dt><dd>
<p>
The navigation regions contained in the file.
</p>
</dd><dt class="field"><b>targets (List&lt;<a href="#type_NavigationTarget">NavigationTarget</a>&gt;)</b></dt><dd>
<p>
The navigation targets referenced in the file. They are referenced by
<a href="#type_NavigationRegion">NavigationRegion</a>s by their index
in this array.
</p>
</dd><dt class="field"><b>files (List&lt;<a href="#type_FilePath">FilePath</a>&gt;)</b></dt><dd>
<p>
The files containing navigation targets referenced in the file. They
are referenced by
<a href="#type_NavigationTarget">NavigationTarget</a>s by their index
in this array.
</p>
</dd></dl></dd><dt class="notification"><a name="notification_analysis.occurrences">analysis.occurrences</a> (<a href="#notification_analysis.occurrences">#</a>)</dt><dd><div class="box"><pre>notification: {
"event": "analysis.occurrences"
"params": {
"<b>file</b>": <a href="#type_FilePath">FilePath</a>
"<b>occurrences</b>": List&lt;<a href="#type_Occurrences">Occurrences</a>&gt;
}
}</pre></div>
<p>
Used to report the occurrences of references to elements within a single
file. None of the occurrence regions should overlap.
</p>
<p>
Occurrence regions that overlap an occurrence region computed by the
server, or by one of the other plugins that are currently running, might
be dropped or modified by the server in order to present a consistent view
to the client.
</p>
<p>
This notification should only be sent if the server has subscribed to it
by including the value <tt>"OCCURRENCES"</tt> in the list of services
passed in an analysis.setSubscriptions request.
</p>
<h4>parameters:</h4><dl><dt class="field"><b>file (<a href="#type_FilePath">FilePath</a>)</b></dt><dd>
<p>
The file in which the references occur.
</p>
</dd><dt class="field"><b>occurrences (List&lt;<a href="#type_Occurrences">Occurrences</a>&gt;)</b></dt><dd>
<p>
The occurrences of references to elements within the file.
</p>
</dd></dl></dd><dt class="notification"><a name="notification_analysis.outline">analysis.outline</a> (<a href="#notification_analysis.outline">#</a>)</dt><dd><div class="box"><pre>notification: {
"event": "analysis.outline"
"params": {
"<b>file</b>": <a href="#type_FilePath">FilePath</a>
"<b>outline</b>": List&lt;<a href="#type_Outline">Outline</a>&gt;
}
}</pre></div>
<p>
Used to report the outline fragments associated with a single file.
</p>
<p>
The outline fragments will be merged with any outline produced by the
server and with any fragments produced by other plugins. If the server
cannot create a coherent outline, some fragments might be dropped.
</p>
<p>
This notification should only be sent if the server has subscribed to it
by including the value <tt>"OUTLINE"</tt> in the list of services
passed in an analysis.setSubscriptions request.
</p>
<h4>parameters:</h4><dl><dt class="field"><b>file (<a href="#type_FilePath">FilePath</a>)</b></dt><dd>
<p>
The file with which the outline is associated.
</p>
</dd><dt class="field"><b>outline (List&lt;<a href="#type_Outline">Outline</a>&gt;)</b></dt><dd>
<p>
The outline fragments associated with the file.
</p>
</dd></dl></dd></dl>
<h2 class="domain"><a name="domain_completion">completion domain</a></h2>
<p>
The code completion domain contains API's related to getting code completion
suggestions.
</p>
<h3>Requests</h3><dl><dt class="request"><a name="request_completion.getSuggestions">completion.getSuggestions</a> (<a href="#request_completion.getSuggestions">#</a>)</dt><dd><div class="box"><pre>request: {
"id": String
"method": "completion.getSuggestions"
"params": {
"<b>file</b>": <a href="#type_FilePath">FilePath</a>
"<b>offset</b>": int
}
}</pre><br><pre>response: {
"id": String
"error": <span style="color:#999999">optional</span> <a href="#type_RequestError">RequestError</a>
"result": {
"<b>replacementOffset</b>": int
"<b>replacementLength</b>": int
"<b>results</b>": List&lt;<a href="#type_CompletionSuggestion">CompletionSuggestion</a>&gt;
}
}</pre></div>
<p>
Used to request that completion suggestions for the given offset in the
given file be returned.
</p>
<h4>parameters:</h4><dl><dt class="field"><b>file (<a href="#type_FilePath">FilePath</a>)</b></dt><dd>
<p>
The file containing the point at which suggestions are to be made.
</p>
</dd><dt class="field"><b>offset (int)</b></dt><dd>
<p>
The offset within the file at which suggestions are to be made.
</p>
</dd></dl><h4>returns:</h4><dl><dt class="field"><b>replacementOffset (int)</b></dt><dd>
<p>
The offset of the start of the text to be replaced. This will be
different than the offset used to request the completion suggestions
if there was a portion of an identifier before the original offset. In
particular, the replacementOffset will be the offset of the beginning
of said identifier.
</p>
</dd><dt class="field"><b>replacementLength (int)</b></dt><dd>
<p>
The length of the text to be replaced if the remainder of the
identifier containing the cursor is to be replaced when the suggestion
is applied (that is, the number of characters in the existing
identifier).
</p>
</dd><dt class="field"><b>results (List&lt;<a href="#type_CompletionSuggestion">CompletionSuggestion</a>&gt;)</b></dt><dd>
<p>
The completion suggestions being reported. The notification contains
all possible completions at the requested cursor position, even those
that do not match the characters the user has already typed. This
allows the client to respond to further keystrokes from the user
without having to make additional requests.
</p>
</dd></dl></dd></dl>
<h2 class="domain"><a name="domain_edit">edit domain</a></h2>
<p>
The edit domain contains API's related to edits that can be applied to the
code.
</p>
<h3>Requests</h3><dl><dt class="request"><a name="request_edit.getAssists">edit.getAssists</a> (<a href="#request_edit.getAssists">#</a>)</dt><dd><div class="box"><pre>request: {
"id": String
"method": "edit.getAssists"
"params": {
"<b>file</b>": <a href="#type_FilePath">FilePath</a>
"<b>offset</b>": int
"<b>length</b>": int
}
}</pre><br><pre>response: {
"id": String
"error": <span style="color:#999999">optional</span> <a href="#type_RequestError">RequestError</a>
"result": {
"<b>assists</b>": List&lt;<a href="#type_PrioritizedSourceChange">PrioritizedSourceChange</a>&gt;
}
}</pre></div>
<p>
Used to request the set of assists that are available at the given
location. An assist is distinguished from a refactoring primarily by the
fact that it affects a single file and does not require user input in
order to be performed.
</p>
<h4>parameters:</h4><dl><dt class="field"><b>file (<a href="#type_FilePath">FilePath</a>)</b></dt><dd>
<p>
The file containing the code for which assists are being requested.
</p>
</dd><dt class="field"><b>offset (int)</b></dt><dd>
<p>
The offset of the code for which assists are being requested.
</p>
</dd><dt class="field"><b>length (int)</b></dt><dd>
<p>
The length of the code for which assists are being requested.
</p>
</dd></dl><h4>returns:</h4><dl><dt class="field"><b>assists (List&lt;<a href="#type_PrioritizedSourceChange">PrioritizedSourceChange</a>&gt;)</b></dt><dd>
<p>
The assists that are available at the given location.
</p>
</dd></dl></dd><dt class="request"><a name="request_edit.getAvailableRefactorings">edit.getAvailableRefactorings</a> (<a href="#request_edit.getAvailableRefactorings">#</a>)</dt><dd><div class="box"><pre>request: {
"id": String
"method": "edit.getAvailableRefactorings"
"params": {
"<b>file</b>": <a href="#type_FilePath">FilePath</a>
"<b>offset</b>": int
"<b>length</b>": int
}
}</pre><br><pre>response: {
"id": String
"error": <span style="color:#999999">optional</span> <a href="#type_RequestError">RequestError</a>
"result": {
"<b>kinds</b>": List&lt;<a href="#type_RefactoringKind">RefactoringKind</a>&gt;
}
}</pre></div>
<p>
Used to request a list of the kinds of refactorings that are valid for the
given selection in the given file.
</p>
<h4>parameters:</h4><dl><dt class="field"><b>file (<a href="#type_FilePath">FilePath</a>)</b></dt><dd>
<p>
The file containing the code on which the refactoring would be based.
</p>
</dd><dt class="field"><b>offset (int)</b></dt><dd>
<p>
The offset of the code on which the refactoring would be based.
</p>
</dd><dt class="field"><b>length (int)</b></dt><dd>
<p>
The length of the code on which the refactoring would be based.
</p>
</dd></dl><h4>returns:</h4><dl><dt class="field"><b>kinds (List&lt;<a href="#type_RefactoringKind">RefactoringKind</a>&gt;)</b></dt><dd>
<p>
The kinds of refactorings that are valid for the given selection.
</p>
<p>
The list of refactoring kinds is currently limited to those defined by
the server API, preventing plugins from adding their own refactorings.
However, plugins can support pre-defined refactorings, such as a
rename refactoring, at locations not supported by server.
</p>
</dd></dl></dd><dt class="request"><a name="request_edit.getFixes">edit.getFixes</a> (<a href="#request_edit.getFixes">#</a>)</dt><dd><div class="box"><pre>request: {
"id": String
"method": "edit.getFixes"
"params": {
"<b>file</b>": <a href="#type_FilePath">FilePath</a>
"<b>offset</b>": int
}
}</pre><br><pre>response: {
"id": String
"error": <span style="color:#999999">optional</span> <a href="#type_RequestError">RequestError</a>
"result": {
"<b>fixes</b>": List&lt;<a href="#type_AnalysisErrorFixes">AnalysisErrorFixes</a>&gt;
}
}</pre></div>
<p>
Used to request the set of fixes that are available for the errors at a
given offset in a given file.
</p>
<h4>parameters:</h4><dl><dt class="field"><b>file (<a href="#type_FilePath">FilePath</a>)</b></dt><dd>
<p>
The file containing the errors for which fixes are being requested.
</p>
</dd><dt class="field"><b>offset (int)</b></dt><dd>
<p>
The offset used to select the errors for which fixes will be returned.
</p>
</dd></dl><h4>returns:</h4><dl><dt class="field"><b>fixes (List&lt;<a href="#type_AnalysisErrorFixes">AnalysisErrorFixes</a>&gt;)</b></dt><dd>
<p>
The fixes that are available for the errors at the given offset.
</p>
</dd></dl></dd><dt class="request"><a name="request_edit.getRefactoring">edit.getRefactoring</a> (<a href="#request_edit.getRefactoring">#</a>)</dt><dd><div class="box"><pre>request: {
"id": String
"method": "edit.getRefactoring"
"params": {
"<b>kind</b>": <a href="#type_RefactoringKind">RefactoringKind</a>
"<b>file</b>": <a href="#type_FilePath">FilePath</a>
"<b>offset</b>": int
"<b>length</b>": int
"<b>validateOnly</b>": bool
"<b>options</b>": <span style="color:#999999">optional</span> <a href="#type_RefactoringOptions">RefactoringOptions</a>
}
}</pre><br><pre>response: {
"id": String
"error": <span style="color:#999999">optional</span> <a href="#type_RequestError">RequestError</a>
"result": {
"<b>initialProblems</b>": List&lt;<a href="#type_RefactoringProblem">RefactoringProblem</a>&gt;
"<b>optionsProblems</b>": List&lt;<a href="#type_RefactoringProblem">RefactoringProblem</a>&gt;
"<b>finalProblems</b>": List&lt;<a href="#type_RefactoringProblem">RefactoringProblem</a>&gt;
"<b>feedback</b>": <span style="color:#999999">optional</span> <a href="#type_RefactoringFeedback">RefactoringFeedback</a>
"<b>change</b>": <span style="color:#999999">optional</span> <a href="#type_SourceChange">SourceChange</a>
"<b>potentialEdits</b>": <span style="color:#999999">optional</span> List&lt;String&gt;
}
}</pre></div>
<p>
Used to request the changes required to perform a refactoring.
</p>
<h4>parameters:</h4><dl><dt class="field"><b>kind (<a href="#type_RefactoringKind">RefactoringKind</a>)</b></dt><dd>
<p>
The kind of refactoring to be performed.
</p>
</dd><dt class="field"><b>file (<a href="#type_FilePath">FilePath</a>)</b></dt><dd>
<p>
The file containing the code involved in the refactoring.
</p>
</dd><dt class="field"><b>offset (int)</b></dt><dd>
<p>
The offset of the region involved in the refactoring.
</p>
</dd><dt class="field"><b>length (int)</b></dt><dd>
<p>
The length of the region involved in the refactoring.
</p>
</dd><dt class="field"><b>validateOnly (bool)</b></dt><dd>
<p>
True if the client is only requesting that the values of the options
be validated and no change be generated.
</p>
</dd><dt class="field"><b>options (<span style="color:#999999">optional</span> <a href="#type_RefactoringOptions">RefactoringOptions</a>)</b></dt><dd>
<p>
Data used to provide values provided by the user. The structure of the
data is dependent on the kind of refactoring being performed. The data
that is expected is documented in the section titled
<a href="#refactorings">Refactorings</a>, labeled as "Options". This
field can be omitted if the refactoring does not require any options
or if the values of those options are not known.
</p>
</dd></dl><h4>returns:</h4><dl><dt class="field"><b>initialProblems (List&lt;<a href="#type_RefactoringProblem">RefactoringProblem</a>&gt;)</b></dt><dd>
<p>
The initial status of the refactoring, that is, problems related to
the context in which the refactoring is requested. The list should be
empty if there are no known problems.
</p>
</dd><dt class="field"><b>optionsProblems (List&lt;<a href="#type_RefactoringProblem">RefactoringProblem</a>&gt;)</b></dt><dd>
<p>
The options validation status, that is, problems in the given options,
such as light-weight validation of a new name, flags compatibility,
etc. The list should be empty if there are no known problems.
</p>
</dd><dt class="field"><b>finalProblems (List&lt;<a href="#type_RefactoringProblem">RefactoringProblem</a>&gt;)</b></dt><dd>
<p>
The final status of the refactoring, that is, problems identified in
the result of a full, potentially expensive validation and / or change
creation. The list should be empty if there are no known problems.
</p>
</dd><dt class="field"><b>feedback (<span style="color:#999999">optional</span> <a href="#type_RefactoringFeedback">RefactoringFeedback</a>)</b></dt><dd>
<p>
Data used to provide feedback to the user. The structure of the data
is dependent on the kind of refactoring being created. The data that
is returned is documented in the section titled
<a href="#refactorings">Refactorings</a>, labeled as "Feedback".
</p>
</dd><dt class="field"><b>change (<span style="color:#999999">optional</span> <a href="#type_SourceChange">SourceChange</a>)</b></dt><dd>
<p>
The changes that are to be applied to affect the refactoring. This
field can be omitted if there are problems that prevent a set of
changes from being computed, such as having no options specified for a
refactoring that requires them, or if only validation was requested.
</p>
</dd><dt class="field"><b>potentialEdits (<span style="color:#999999">optional</span> List&lt;String&gt;)</b></dt><dd>
<p>
The ids of source edits that are not known to be valid. An edit is not
known to be valid if there was insufficient type information for the
plugin to be able to determine whether or not the code needs to be
modified, such as when a member is being renamed and there is a
reference to a member from an unknown type. This field can be omitted
if the change field is omitted or if there are no potential edits for
the refactoring.
</p>
</dd></dl></dd></dl>
<h2 class="domain"><a name="types">Types</a></h2>
<p>
This section contains descriptions of the data types referenced in the API’s
of the various domains.
</p>
<dl><dt class="typeDefinition"><a name="type_AddContentOverlay">AddContentOverlay: object</a></dt><dd>
<p>
A directive to begin overlaying the contents of a file. The supplied
content will be used for analysis in place of the file contents in the
filesystem.
</p>
<p>
If this directive is used on a file that already has a file content
overlay, the old overlay is discarded and replaced with the new one.
</p>
<dl><dt class="field"><b>type = "add"</b></dt><dd></dd><dt class="field"><b>content (String)</b></dt><dd>
<p>
The new content of the file.
</p>
</dd></dl></dd><dt class="typeDefinition"><a name="type_AnalysisError">AnalysisError: object</a></dt><dd>
<p>
An indication of an error, warning, or hint that was produced by the
analysis.
</p>
<dl><dt class="field"><b>severity (<a href="#type_AnalysisErrorSeverity">AnalysisErrorSeverity</a>)</b></dt><dd>
<p>
The severity of the error.
</p>
</dd><dt class="field"><b>type (<a href="#type_AnalysisErrorType">AnalysisErrorType</a>)</b></dt><dd>
<p>
The type of the error.
</p>
</dd><dt class="field"><b>location (<a href="#type_Location">Location</a>)</b></dt><dd>
<p>
The location associated with the error.
</p>
</dd><dt class="field"><b>message (String)</b></dt><dd>
<p>
The message to be displayed for this error. The message should
indicate what is wrong with the code and why it is wrong.
</p>
</dd><dt class="field"><b>correction (<span style="color:#999999">optional</span> String)</b></dt><dd>
<p>
The correction message to be displayed for this error. The correction
message should indicate how the user can fix the error. The field is
omitted if there is no correction message associated with the error
code.
</p>
</dd><dt class="field"><b>code (String)</b></dt><dd>
<p>
The name, as a string, of the error code associated with this error.
</p>
</dd><dt class="field"><b>hasFix (<span style="color:#999999">optional</span> bool)</b></dt><dd>
<p>
A hint to indicate to interested clients that this error has an
associated fix (or fixes). The absence of this field implies there
are not known to be fixes. Note that since the operation to calculate
whether fixes apply needs to be performant it is possible that
complicated tests will be skipped and a false negative returned. For
this reason, this attribute should be treated as a "hint". Despite the
possibility of false negatives, no false positives should be returned.
If a client sees this flag set they can proceed with the confidence
that there are in fact associated fixes.
</p>
</dd></dl></dd><dt class="typeDefinition"><a name="type_AnalysisErrorFixes">AnalysisErrorFixes: object</a></dt><dd>
<p>
A list of fixes associated with a specific error
</p>
<dl><dt class="field"><b>error (<a href="#type_AnalysisError">AnalysisError</a>)</b></dt><dd>
<p>
The error with which the fixes are associated.
</p>
</dd><dt class="field"><b>fixes (List&lt;<a href="#type_PrioritizedSourceChange">PrioritizedSourceChange</a>&gt;)</b></dt><dd>
<p>
The fixes associated with the error.
</p>
</dd></dl></dd><dt class="typeDefinition"><a name="type_AnalysisErrorSeverity">AnalysisErrorSeverity: String</a></dt><dd>
<p>
An enumeration of the possible severities of analysis errors.
</p>
<dl><dt class="value">INFO</dt><dt class="value">WARNING</dt><dt class="value">ERROR</dt></dl></dd><dt class="typeDefinition"><a name="type_AnalysisErrorType">AnalysisErrorType: String</a></dt><dd>
<p>
An enumeration of the possible types of analysis errors.
</p>
<dl><dt class="value">CHECKED_MODE_COMPILE_TIME_ERROR</dt><dt class="value">COMPILE_TIME_ERROR</dt><dt class="value">HINT</dt><dt class="value">LINT</dt><dt class="value">STATIC_TYPE_WARNING</dt><dt class="value">STATIC_WARNING</dt><dt class="value">SYNTACTIC_ERROR</dt><dt class="value">TODO</dt></dl></dd><dt class="typeDefinition"><a name="type_AnalysisService">AnalysisService: String</a></dt><dd>
<p>
An enumeration of the services provided by the analysis domain that are
related to a specific list of files.
</p>
<dl><dt class="value">FOLDING</dt><dt class="value">HIGHLIGHTS</dt><dt class="value">NAVIGATION</dt><dt class="value">OCCURRENCES</dt><dt class="value">OUTLINE</dt></dl></dd><dt class="typeDefinition"><a name="type_ChangeContentOverlay">ChangeContentOverlay: object</a></dt><dd>
<p>
A directive to modify an existing file content overlay. One or more ranges
of text are deleted from the old file content overlay and replaced with
new text.
</p>
<p>
The edits are applied in the order in which they occur in the list. This
means that the offset of each edit must be correct under the assumption
that all previous edits have been applied.
</p>
<p>
It is an error to use this overlay on a file that does not yet have a file
content overlay or that has had its overlay removed via
<a href="#type_RemoveContentOverlay">RemoveContentOverlay</a>.
</p>
<p>
If any of the edits cannot be applied due to its offset or length being
out of range, an <tt>INVALID_OVERLAY_CHANGE</tt> error will be reported.
</p>
<dl><dt class="field"><b>type = "change"</b></dt><dd></dd><dt class="field"><b>edits (List&lt;<a href="#type_SourceEdit">SourceEdit</a>&gt;)</b></dt><dd>
<p>
The edits to be applied to the file.
</p>
</dd></dl></dd><dt class="typeDefinition"><a name="type_CompletionSuggestion">CompletionSuggestion: object</a></dt><dd>
<p>
A suggestion for how to complete partially entered text. Many of the
fields are optional, depending on the kind of element being suggested.
</p>
<dl><dt class="field"><b>kind (<a href="#type_CompletionSuggestionKind">CompletionSuggestionKind</a>)</b></dt><dd>
<p>
The kind of element being suggested.
</p>
</dd><dt class="field"><b>relevance (int)</b></dt><dd>
<p>
The relevance of this completion suggestion where a higher number
indicates a higher relevance.
</p>
</dd><dt class="field"><b>completion (String)</b></dt><dd>
<p>
The identifier to be inserted if the suggestion is selected. If the
suggestion is for a method or function, the client might want to
additionally insert a template for the parameters. The information
required in order to do so is contained in other fields.
</p>
</dd><dt class="field"><b>selectionOffset (int)</b></dt><dd>
<p>
The offset, relative to the beginning of the completion, of where the
selection should be placed after insertion.
</p>
</dd><dt class="field"><b>selectionLength (int)</b></dt><dd>
<p>
The number of characters that should be selected after insertion.
</p>
</dd><dt class="field"><b>isDeprecated (bool)</b></dt><dd>
<p>
True if the suggested element is deprecated.
</p>
</dd><dt class="field"><b>isPotential (bool)</b></dt><dd>
<p>
True if the element is not known to be valid for the target. This
happens if the type of the target is dynamic.
</p>
</dd><dt class="field"><b>docSummary (<span style="color:#999999">optional</span> String)</b></dt><dd>
<p>
An abbreviated version of the Dartdoc associated with the element
being suggested, This field is omitted if there is no Dartdoc
associated with the element.
</p>
</dd><dt class="field"><b>docComplete (<span style="color:#999999">optional</span> String)</b></dt><dd>
<p>
The Dartdoc associated with the element being suggested. This field is
omitted if there is no Dartdoc associated with the element.
</p>
</dd><dt class="field"><b>declaringType (<span style="color:#999999">optional</span> String)</b></dt><dd>
<p>
The class that declares the element being suggested. This field is
omitted if the suggested element is not a member of a class.
</p>
</dd><dt class="field"><b>defaultArgumentListString (<span style="color:#999999">optional</span> String)</b></dt><dd>
<p>
A default String for use in generating argument list source contents
on the client side.
</p>
</dd><dt class="field"><b>defaultArgumentListTextRanges (<span style="color:#999999">optional</span> List&lt;int&gt;)</b></dt><dd>
<p>
Pairs of offsets and lengths describing 'defaultArgumentListString'
text ranges suitable for use by clients to set up linked edits of
default argument source contents. For example, given an argument list
string 'x, y', the corresponding text range [0, 1, 3, 1], indicates
two text ranges of length 1, starting at offsets 0 and 3. Clients can
use these ranges to treat the 'x' and 'y' values specially for linked
edits.
</p>
</dd><dt class="field"><b>element (<span style="color:#999999">optional</span> <a href="#type_Element">Element</a>)</b></dt><dd>
<p>
Information about the element reference being suggested.
</p>
</dd><dt class="field"><b>returnType (<span style="color:#999999">optional</span> String)</b></dt><dd>
<p>
The return type of the getter, function or method or the type of the
field being suggested. This field is omitted if the suggested element
is not a getter, function or method.
</p>
</dd><dt class="field"><b>parameterNames (<span style="color:#999999">optional</span> List&lt;String&gt;)</b></dt><dd>
<p>
The names of the parameters of the function or method being suggested.
This field is omitted if the suggested element is not a setter,
function or method.
</p>
</dd><dt class="field"><b>parameterTypes (<span style="color:#999999">optional</span> List&lt;String&gt;)</b></dt><dd>
<p>
The types of the parameters of the function or method being suggested.
This field is omitted if the parameterNames field is omitted.
</p>
</dd><dt class="field"><b>requiredParameterCount (<span style="color:#999999">optional</span> int)</b></dt><dd>
<p>
The number of required parameters for the function or method being
suggested. This field is omitted if the parameterNames field is
omitted.
</p>
</dd><dt class="field"><b>hasNamedParameters (<span style="color:#999999">optional</span> bool)</b></dt><dd>
<p>
True if the function or method being suggested has at least one named
parameter. This field is omitted if the parameterNames field is
omitted.
</p>
</dd><dt class="field"><b>parameterName (<span style="color:#999999">optional</span> String)</b></dt><dd>
<p>
The name of the optional parameter being suggested. This field is
omitted if the suggestion is not the addition of an optional argument
within an argument list.
</p>
</dd><dt class="field"><b>parameterType (<span style="color:#999999">optional</span> String)</b></dt><dd>
<p>
The type of the options parameter being suggested. This field is
omitted if the parameterName field is omitted.
</p>
</dd><dt class="field"><b>importUri (<span style="color:#999999">optional</span> String)</b></dt><dd>
<p>
The import to be added if the suggestion is out of scope and needs
an import to be added to be in scope.
</p>
</dd></dl></dd><dt class="typeDefinition"><a name="type_CompletionSuggestionKind">CompletionSuggestionKind: String</a></dt><dd>
<p>
An enumeration of the kinds of elements that can be included in a
completion suggestion.
</p>
<dl><dt class="value">ARGUMENT_LIST</dt><dd>
<p>
A list of arguments for the method or function that is being
invoked. For this suggestion kind, the completion field is a
textual representation of the invocation and the parameterNames,
parameterTypes, and requiredParameterCount attributes are defined.
</p>
</dd><dt class="value">IMPORT</dt><dt class="value">IDENTIFIER</dt><dd>
<p>
The element identifier should be inserted at the completion
location. For example "someMethod" in <tt>import 'myLib.dart' show
someMethod;</tt>. For suggestions of this kind, the element
attribute is defined and the completion field is the element's
identifier.
</p>
</dd><dt class="value">INVOCATION</dt><dd>
<p>
The element is being invoked at the completion location. For
example, 'someMethod' in <tt>x.someMethod();</tt>. For suggestions
of this kind, the element attribute is defined and the completion
field is the element's identifier.
</p>
</dd><dt class="value">KEYWORD</dt><dd>
<p>
A keyword is being suggested. For suggestions of this kind, the
completion is the keyword.
</p>
</dd><dt class="value">NAMED_ARGUMENT</dt><dd>
<p>
A named argument for the current call site is being suggested. For
suggestions of this kind, the completion is the named argument
identifier including a trailing ':' and a space.
</p>
</dd><dt class="value">OPTIONAL_ARGUMENT</dt><dt class="value">PARAMETER</dt></dl></dd><dt class="typeDefinition"><a name="type_ContextBuilderOptions">ContextBuilderOptions: object</a></dt><dd>
<p>
The options used to build an analysis context.
</p>
<dl><dt class="field"><b>dartSdkSummaryPath (<span style="color:#999999">optional</span> String)</b></dt><dd>
<p>
The file path of the file containing the summary of the SDK that
should be used to "analyze" the SDK. The field will be omitted if the
summary should be found in the SDK.
</p>
</dd><dt class="field"><b>defaultAnalysisOptionsFilePath (<span style="color:#999999">optional</span> List&lt;String&gt;)</b></dt><dd>
<p>
The file path of the analysis options file that should be used in
place of any file in the root directory or a parent of the root
directory. The field will be omitted if the normal lookup mechanism
should be used.
</p>
</dd><dt class="field"><b>declaredVariables (<span style="color:#999999">optional</span> Map&lt;String, String&gt;)</b></dt><dd>
<p>
A table mapping variable names to values for the declared variables.
The field will be omitted if no additional variables need to be
declared.
</p>
</dd><dt class="field"><b>defaultPackageFilePath (<span style="color:#999999">optional</span> List&lt;String&gt;)</b></dt><dd>
<p>
The file path of the .packages file that should be used in place of
any file found using the normal (Package Specification DEP) lookup
mechanism. The field will be omitted if the normal lookup mechanism
should be used.
</p>
</dd><dt class="field"><b>defaultPackagesDirectoryPath (<span style="color:#999999">optional</span> List&lt;String&gt;)</b></dt><dd>
<p>
The file path of the packages directory that should be used in place
of any file found using the normal (Package Specification DEP) lookup
mechanism. The field will be omitted if the normal lookup mechanism
should be used.
</p>
</dd></dl></dd><dt class="typeDefinition"><a name="type_ContextRoot">ContextRoot: object</a></dt><dd>
<p>
A description of an analysis context.
</p>
<dl><dt class="field"><b>root (String)</b></dt><dd>
<p>
The absolute path of the root directory containing the files to be
analyzed.
</p>
</dd><dt class="field"><b>exclude (List&lt;String&gt;)</b></dt><dd>
<p>
A list of the absolute paths of files and directories within the root
directory that should not be analyzed.
</p>
</dd></dl></dd><dt class="typeDefinition"><a name="type_Element">Element: object</a></dt><dd>
<p>
Information about an element (something that can be declared in code).
</p>
<dl><dt class="field"><b>kind (<a href="#type_ElementKind">ElementKind</a>)</b></dt><dd>
<p>
The kind of the element.
</p>
</dd><dt class="field"><b>name (String)</b></dt><dd>
<p>
The name of the element. This is typically used as the label in the outline.
</p>
</dd><dt class="field"><b>location (<span style="color:#999999">optional</span> <a href="#type_Location">Location</a>)</b></dt><dd>
<p>
The location of the name in the declaration of the element.
</p>
</dd><dt class="field"><b>flags (int)</b></dt><dd>
<p>
A bit-map containing the following flags:
</p>
<ul>
<li>
0x01 - set if the element is explicitly or implicitly abstract
</li>
<li>
0x02 - set if the element was declared to be ‘const’
</li>
<li>
0x04 - set if the element was declared to be ‘final’
</li>
<li>
0x08 - set if the element is a static member of a class or is a
top-level function or field
</li>
<li>
0x10 - set if the element is private
</li>
<li>
0x20 - set if the element is deprecated
</li>
</ul>
</dd><dt class="field"><b>parameters (<span style="color:#999999">optional</span> String)</b></dt><dd>
<p>
The parameter list for the element. If the element is not a method or
function this field will not be defined. If the element doesn't have
parameters (e.g. getter), this field will not be defined. If the
element has zero parameters, this field will have a value of "()".
</p>
</dd><dt class="field"><b>returnType (<span style="color:#999999">optional</span> String)</b></dt><dd>
<p>
The return type of the element. If the element is not a method or
function this field will not be defined. If the element does not have
a declared return type, this field will contain an empty string.
</p>
</dd><dt class="field"><b>typeParameters (<span style="color:#999999">optional</span> String)</b></dt><dd>
<p>
The type parameter list for the element. If the element doesn't have
type parameters, this field will not be defined.
</p>
</dd></dl></dd><dt class="typeDefinition"><a name="type_ElementKind">ElementKind: String</a></dt><dd>
<p>
An enumeration of the kinds of elements.
</p>
<dl><dt class="value">CLASS</dt><dt class="value">CLASS_TYPE_ALIAS</dt><dt class="value">COMPILATION_UNIT</dt><dt class="value">CONSTRUCTOR</dt><dt class="value">ENUM</dt><dt class="value">ENUM_CONSTANT</dt><dt class="value">FIELD</dt><dt class="value">FILE</dt><dt class="value">FUNCTION</dt><dt class="value">FUNCTION_TYPE_ALIAS</dt><dt class="value">GETTER</dt><dt class="value">LABEL</dt><dt class="value">LIBRARY</dt><dt class="value">LOCAL_VARIABLE</dt><dt class="value">METHOD</dt><dt class="value">PARAMETER</dt><dt class="value">PREFIX</dt><dt class="value">SETTER</dt><dt class="value">TOP_LEVEL_VARIABLE</dt><dt class="value">TYPE_PARAMETER</dt><dt class="value">UNKNOWN</dt></dl></dd><dt class="typeDefinition"><a name="type_FilePath">FilePath: String</a></dt><dd>
<p>
The absolute, normalized path of a file.
</p>
<p>
If the format of a file path in a request is not valid, e.g. the path is
not absolute or is not normalized, then an error of type
<tt>INVALID_FILE_PATH_FORMAT</tt> will be generated.
</p>
</dd><dt class="typeDefinition"><a name="type_FoldingKind">FoldingKind: String</a></dt><dd>
<p>
An enumeration of the kinds of folding regions.
</p>
<dl><dt class="value">COMMENT</dt><dt class="value">CLASS_MEMBER</dt><dt class="value">DIRECTIVES</dt><dt class="value">DOCUMENTATION_COMMENT</dt><dt class="value">TOP_LEVEL_DECLARATION</dt></dl></dd><dt class="typeDefinition"><a name="type_FoldingRegion">FoldingRegion: object</a></dt><dd>
<p>
A description of a region that can be folded.
</p>
<dl><dt class="field"><b>kind (<a href="#type_FoldingKind">FoldingKind</a>)</b></dt><dd>
<p>
The kind of the region.
</p>
</dd><dt class="field"><b>offset (int)</b></dt><dd>
<p>
The offset of the region to be folded.
</p>
</dd><dt class="field"><b>length (int)</b></dt><dd>
<p>
The length of the region to be folded.
</p>
</dd></dl></dd><dt class="typeDefinition"><a name="type_HighlightRegion">HighlightRegion: object</a></dt><dd>
<p>
A description of a region that could have special highlighting associated
with it.
</p>
<dl><dt class="field"><b>type (<a href="#type_HighlightRegionType">HighlightRegionType</a>)</b></dt><dd>
<p>
The type of highlight associated with the region.
</p>
</dd><dt class="field"><b>offset (int)</b></dt><dd>
<p>
The offset of the region to be highlighted.
</p>
</dd><dt class="field"><b>length (int)</b></dt><dd>
<p>
The length of the region to be highlighted.
</p>
</dd></dl></dd><dt class="typeDefinition"><a name="type_HighlightRegionType">HighlightRegionType: String</a></dt><dd>
<p>
An enumeration of the kinds of highlighting that can be applied to files.
</p>
<dl><dt class="value">ANNOTATION</dt><dt class="value">BUILT_IN</dt><dt class="value">CLASS</dt><dt class="value">COMMENT_BLOCK</dt><dt class="value">COMMENT_DOCUMENTATION</dt><dt class="value">COMMENT_END_OF_LINE</dt><dt class="value">CONSTRUCTOR</dt><dt class="value">DIRECTIVE</dt><dt class="value">DYNAMIC_TYPE</dt><dd>
<p>Only for version 1 of highlight.</p>
</dd><dt class="value">DYNAMIC_LOCAL_VARIABLE_DECLARATION</dt><dd>
<p>Only for version 2 of highlight.</p>
</dd><dt class="value">DYNAMIC_LOCAL_VARIABLE_REFERENCE</dt><dd>
<p>Only for version 2 of highlight.</p>
</dd><dt class="value">DYNAMIC_PARAMETER_DECLARATION</dt><dd>
<p>Only for version 2 of highlight.</p>
</dd><dt class="value">DYNAMIC_PARAMETER_REFERENCE</dt><dd>
<p>Only for version 2 of highlight.</p>
</dd><dt class="value">ENUM</dt><dt class="value">ENUM_CONSTANT</dt><dt class="value">FIELD</dt><dd>
<p>Only for version 1 of highlight.</p>
</dd><dt class="value">FIELD_STATIC</dt><dd>
<p>Only for version 1 of highlight.</p>
</dd><dt class="value">FUNCTION</dt><dd>
<p>Only for version 1 of highlight.</p>
</dd><dt class="value">FUNCTION_DECLARATION</dt><dd>
<p>Only for version 1 of highlight.</p>
</dd><dt class="value">FUNCTION_TYPE_ALIAS</dt><dt class="value">GETTER_DECLARATION</dt><dd>
<p>Only for version 1 of highlight.</p>
</dd><dt class="value">IDENTIFIER_DEFAULT</dt><dt class="value">IMPORT_PREFIX</dt><dt class="value">INSTANCE_FIELD_DECLARATION</dt><dd>
<p>Only for version 2 of highlight.</p>
</dd><dt class="value">INSTANCE_FIELD_REFERENCE</dt><dd>
<p>Only for version 2 of highlight.</p>
</dd><dt class="value">INSTANCE_GETTER_DECLARATION</dt><dd>
<p>Only for version 2 of highlight.</p>
</dd><dt class="value">INSTANCE_GETTER_REFERENCE</dt><dd>
<p>Only for version 2 of highlight.</p>
</dd><dt class="value">INSTANCE_METHOD_DECLARATION</dt><dd>
<p>Only for version 2 of highlight.</p>
</dd><dt class="value">INSTANCE_METHOD_REFERENCE</dt><dd>
<p>Only for version 2 of highlight.</p>
</dd><dt class="value">INSTANCE_SETTER_DECLARATION</dt><dd>
<p>Only for version 2 of highlight.</p>
</dd><dt class="value">INSTANCE_SETTER_REFERENCE</dt><dd>
<p>Only for version 2 of highlight.</p>
</dd><dt class="value">INVALID_STRING_ESCAPE</dt><dd>
<p>Only for version 2 of highlight.</p>
</dd><dt class="value">KEYWORD</dt><dt class="value">LABEL</dt><dt class="value">LIBRARY_NAME</dt><dd>
<p>Only for version 2 of highlight.</p>
</dd><dt class="value">LITERAL_BOOLEAN</dt><dt class="value">LITERAL_DOUBLE</dt><dt class="value">LITERAL_INTEGER</dt><dt class="value">LITERAL_LIST</dt><dt class="value">LITERAL_MAP</dt><dt class="value">LITERAL_STRING</dt><dt class="value">LOCAL_FUNCTION_DECLARATION</dt><dd>
<p>Only for version 2 of highlight.</p>
</dd><dt class="value">LOCAL_FUNCTION_REFERENCE</dt><dd>
<p>Only for version 2 of highlight.</p>
</dd><dt class="value">LOCAL_VARIABLE</dt><dd>
<p>Only for version 1 of highlight.</p>
</dd><dt class="value">LOCAL_VARIABLE_DECLARATION</dt><dt class="value">LOCAL_VARIABLE_REFERENCE</dt><dd>
<p>Only for version 2 of highlight.</p>
</dd><dt class="value">METHOD</dt><dd>
<p>Only for version 1 of highlight.</p>
</dd><dt class="value">METHOD_DECLARATION</dt><dd>
<p>Only for version 1 of highlight.</p>
</dd><dt class="value">METHOD_DECLARATION_STATIC</dt><dd>
<p>Only for version 1 of highlight.</p>
</dd><dt class="value">METHOD_STATIC</dt><dd>
<p>Only for version 1 of highlight.</p>
</dd><dt class="value">PARAMETER</dt><dd>
<p>Only for version 1 of highlight.</p>
</dd><dt class="value">SETTER_DECLARATION</dt><dd>
<p>Only for version 1 of highlight.</p>
</dd><dt class="value">TOP_LEVEL_VARIABLE</dt><dd>
<p>Only for version 1 of highlight.</p>
</dd><dt class="value">PARAMETER_DECLARATION</dt><dd>
<p>Only for version 2 of highlight.</p>
</dd><dt class="value">PARAMETER_REFERENCE</dt><dd>
<p>Only for version 2 of highlight.</p>
</dd><dt class="value">STATIC_FIELD_DECLARATION</dt><dd>
<p>Only for version 2 of highlight.</p>
</dd><dt class="value">STATIC_GETTER_DECLARATION</dt><dd>
<p>Only for version 2 of highlight.</p>
</dd><dt class="value">STATIC_GETTER_REFERENCE</dt><dd>
<p>Only for version 2 of highlight.</p>
</dd><dt class="value">STATIC_METHOD_DECLARATION</dt><dd>
<p>Only for version 2 of highlight.</p>
</dd><dt class="value">STATIC_METHOD_REFERENCE</dt><dd>
<p>Only for version 2 of highlight.</p>
</dd><dt class="value">STATIC_SETTER_DECLARATION</dt><dd>
<p>Only for version 2 of highlight.</p>
</dd><dt class="value">STATIC_SETTER_REFERENCE</dt><dd>
<p>Only for version 2 of highlight.</p>
</dd><dt class="value">TOP_LEVEL_FUNCTION_DECLARATION</dt><dd>
<p>Only for version 2 of highlight.</p>
</dd><dt class="value">TOP_LEVEL_FUNCTION_REFERENCE</dt><dd>
<p>Only for version 2 of highlight.</p>
</dd><dt class="value">TOP_LEVEL_GETTER_DECLARATION</dt><dd>
<p>Only for version 2 of highlight.</p>
</dd><dt class="value">TOP_LEVEL_GETTER_REFERENCE</dt><dd>
<p>Only for version 2 of highlight.</p>
</dd><dt class="value">TOP_LEVEL_SETTER_DECLARATION</dt><dd>
<p>Only for version 2 of highlight.</p>
</dd><dt class="value">TOP_LEVEL_SETTER_REFERENCE</dt><dd>
<p>Only for version 2 of highlight.</p>
</dd><dt class="value">TOP_LEVEL_VARIABLE_DECLARATION</dt><dd>
<p>Only for version 2 of highlight.</p>
</dd><dt class="value">TYPE_NAME_DYNAMIC</dt><dt class="value">TYPE_PARAMETER</dt><dt class="value">UNRESOLVED_INSTANCE_MEMBER_REFERENCE</dt><dd>
<p>Only for version 2 of highlight.</p>
</dd><dt class="value">VALID_STRING_ESCAPE</dt><dd>
<p>Only for version 2 of highlight.</p>
</dd></dl></dd><dt class="typeDefinition"><a name="type_LinkedEditGroup">LinkedEditGroup: object</a></dt><dd>
<p>
A collection of positions that should be linked (edited simultaneously)
for the purposes of updating code after a source change. For example, if a
set of edits introduced a new variable name, the group would contain all
of the positions of the variable name so that if the client wanted to let
the user edit the variable name after the operation, all occurrences of
the name could be edited simultaneously.
</p>
<dl><dt class="field"><b>positions (List&lt;<a href="#type_Position">Position</a>&gt;)</b></dt><dd>
<p>
The positions of the regions that should be edited simultaneously.
</p>
</dd><dt class="field"><b>length (int)</b></dt><dd>
<p>
The length of the regions that should be edited simultaneously.
</p>
</dd><dt class="field"><b>suggestions (List&lt;<a href="#type_LinkedEditSuggestion">LinkedEditSuggestion</a>&gt;)</b></dt><dd>
<p>
Pre-computed suggestions for what every region might want to be
changed to.
</p>
</dd></dl></dd><dt class="typeDefinition"><a name="type_LinkedEditSuggestion">LinkedEditSuggestion: object</a></dt><dd>
<p>
A suggestion of a value that could be used to replace all of the linked
edit regions in a <a href="#type_LinkedEditGroup">LinkedEditGroup</a>.
</p>
<dl><dt class="field"><b>value (String)</b></dt><dd>
<p>
The value that could be used to replace all of the linked edit
regions.
</p>
</dd><dt class="field"><b>kind (<a href="#type_LinkedEditSuggestionKind">LinkedEditSuggestionKind</a>)</b></dt><dd>
<p>
The kind of value being proposed.
</p>
</dd></dl></dd><dt class="typeDefinition"><a name="type_LinkedEditSuggestionKind">LinkedEditSuggestionKind: String</a></dt><dd>
<p>
An enumeration of the kind of values that can be suggested for a linked
edit.
</p>
<dl><dt class="value">METHOD</dt><dt class="value">PARAMETER</dt><dt class="value">TYPE</dt><dt class="value">VARIABLE</dt></dl></dd><dt class="typeDefinition"><a name="type_Location">Location: object</a></dt><dd>
<p>
A location (character range) within a file.
</p>
<dl><dt class="field"><b>file (<a href="#type_FilePath">FilePath</a>)</b></dt><dd>
<p>
The file containing the range.
</p>
</dd><dt class="field"><b>offset (int)</b></dt><dd>
<p>
The offset of the range.
</p>
</dd><dt class="field"><b>length (int)</b></dt><dd>
<p>
The length of the range.
</p>
</dd><dt class="field"><b>startLine (int)</b></dt><dd>
<p>
The one-based index of the line containing the first character of the
range.
</p>
</dd><dt class="field"><b>startColumn (int)</b></dt><dd>
<p>
The one-based index of the column containing the first character of
the range.
</p>
</dd></dl></dd><dt class="typeDefinition"><a name="type_NavigationRegion">NavigationRegion: object</a></dt><dd>
<p>
A description of a region from which the user can navigate to the
declaration of an element.
</p>
<dl><dt class="field"><b>offset (int)</b></dt><dd>
<p>
The offset of the region from which the user can navigate.
</p>
</dd><dt class="field"><b>length (int)</b></dt><dd>
<p>
The length of the region from which the user can navigate.
</p>
</dd><dt class="field"><b>targets (List&lt;int&gt;)</b></dt><dd>
<p>
The indexes of the targets (in the enclosing navigation response) to
which the given region is bound. By opening the target, clients can
implement one form of navigation. This list cannot be empty.
</p>
</dd></dl></dd><dt class="typeDefinition"><a name="type_NavigationTarget">NavigationTarget: object</a></dt><dd>
<p>
A description of a target to which the user can navigate.
</p>
<dl><dt class="field"><b>kind (<a href="#type_ElementKind">ElementKind</a>)</b></dt><dd>
<p>
The kind of the element.
</p>
</dd><dt class="field"><b>fileIndex (int)</b></dt><dd>
<p>
The index of the file (in the enclosing navigation response) to
navigate to.
</p>
</dd><dt class="field"><b>offset (int)</b></dt><dd>
<p>
The offset of the region to which the user can navigate.
</p>
</dd><dt class="field"><b>length (int)</b></dt><dd>
<p>
The length of the region to which the user can navigate.
</p>
</dd><dt class="field"><b>startLine (int)</b></dt><dd>
<p>
The one-based index of the line containing the first character of the
region.
</p>
</dd><dt class="field"><b>startColumn (int)</b></dt><dd>
<p>
The one-based index of the column containing the first character of
the region.
</p>
</dd></dl></dd><dt class="typeDefinition"><a name="type_Occurrences">Occurrences: object</a></dt><dd>
<p>
A description of the references to a single element within a single file.
</p>
<dl><dt class="field"><b>element (<a href="#type_Element">Element</a>)</b></dt><dd>
<p>
The element that was referenced.
</p>
</dd><dt class="field"><b>offsets (List&lt;int&gt;)</b></dt><dd>
<p>
The offsets of the name of the referenced element within the file.
</p>
</dd><dt class="field"><b>length (int)</b></dt><dd>
<p>
The length of the name of the referenced element.
</p>
</dd></dl></dd><dt class="typeDefinition"><a name="type_Outline">Outline: object</a></dt><dd>
<p>
An node in the outline structure of a file.
</p>
<dl><dt class="field"><b>element (<a href="#type_Element">Element</a>)</b></dt><dd>
<p>
A description of the element represented by this node.
</p>
</dd><dt class="field"><b>offset (int)</b></dt><dd>
<p>
The offset of the first character of the element. This is different
than the offset in the Element, which is the offset of the name of the
element. It can be used, for example, to map locations in the file
back to an outline.
</p>
</dd><dt class="field"><b>length (int)</b></dt><dd>
<p>
The length of the element.
</p>
</dd><dt class="field"><b>children (<span style="color:#999999">optional</span> List&lt;<a href="#type_Outline">Outline</a>&gt;)</b></dt><dd>
<p>
The children of the node. The field will be omitted if the node has no
children.
</p>
</dd></dl></dd><dt class="typeDefinition"><a name="type_Position">Position: object</a></dt><dd>
<p>
A position within a file.
</p>
<dl><dt class="field"><b>file (<a href="#type_FilePath">FilePath</a>)</b></dt><dd>
<p>
The file containing the position.
</p>
</dd><dt class="field"><b>offset (int)</b></dt><dd>
<p>
The offset of the position.
</p>
</dd></dl></dd><dt class="typeDefinition"><a name="type_PrioritizedSourceChange">PrioritizedSourceChange: object</a></dt><dd>
<p>
A source change that has a priority associated with it.
</p>
<dl><dt class="field"><b>priority (int)</b></dt><dd>
<p>
The priority of the change. The value is expected to be non-negative,
and zero (0) is the lowest priority.
</p>
</dd><dt class="field"><b>change (<a href="#type_SourceChange">SourceChange</a>)</b></dt><dd>
<p>
The change with which the relevance is associated.
</p>
</dd></dl></dd><dt class="typeDefinition"><a name="type_RefactoringFeedback">RefactoringFeedback: object</a></dt><dd>
<p>
An abstract superclass of all refactoring feedbacks.
</p>
<dl></dl></dd><dt class="typeDefinition"><a name="type_RefactoringKind">RefactoringKind: String</a></dt><dd>
<p>
An enumeration of the kinds of refactorings that can be created.
</p>
<dl><dt class="value">CONVERT_GETTER_TO_METHOD</dt><dt class="value">CONVERT_METHOD_TO_GETTER</dt><dt class="value">EXTRACT_LOCAL_VARIABLE</dt><dt class="value">EXTRACT_METHOD</dt><dt class="value">INLINE_LOCAL_VARIABLE</dt><dt class="value">INLINE_METHOD</dt><dt class="value">MOVE_FILE</dt><dt class="value">RENAME</dt><dt class="value">SORT_MEMBERS</dt></dl></dd><dt class="typeDefinition"><a name="type_RefactoringMethodParameter">RefactoringMethodParameter: object</a></dt><dd>
<p>
A description of a parameter in a method refactoring.
</p>
<dl><dt class="field"><b>id (<span style="color:#999999">optional</span> String)</b></dt><dd>
<p>
The unique identifier of the parameter. Clients may omit this field
for the parameters they want to add.
</p>
</dd><dt class="field"><b>kind (<a href="#type_RefactoringMethodParameterKind">RefactoringMethodParameterKind</a>)</b></dt><dd>
<p>
The kind of the parameter.
</p>
</dd><dt class="field"><b>type (String)</b></dt><dd>
<p>
The type that should be given to the parameter, or the return type of
the parameter's function type.
</p>
</dd><dt class="field"><b>name (String)</b></dt><dd>
<p>
The name that should be given to the parameter.
</p>
</dd><dt class="field"><b>parameters (<span style="color:#999999">optional</span> String)</b></dt><dd>
<p>
The parameter list of the parameter's function type. If the parameter
is not of a function type, this field will not be defined. If the
function type has zero parameters, this field will have a value of
'()'.
</p>
</dd></dl></dd><dt class="typeDefinition"><a name="type_RefactoringOptions">RefactoringOptions: object</a></dt><dd>
<p>
An abstract superclass of all refactoring options.
</p>
<dl></dl></dd><dt class="typeDefinition"><a name="type_RefactoringMethodParameterKind">RefactoringMethodParameterKind: String</a></dt><dd>
<p>
An enumeration of the kinds of parameters.
</p>
<dl><dt class="value">REQUIRED</dt><dt class="value">POSITIONAL</dt><dt class="value">NAMED</dt></dl></dd><dt class="typeDefinition"><a name="type_RefactoringProblem">RefactoringProblem: object</a></dt><dd>
<p>
A description of a problem related to a refactoring.
</p>
<dl><dt class="field"><b>severity (<a href="#type_RefactoringProblemSeverity">RefactoringProblemSeverity</a>)</b></dt><dd>
<p>
The severity of the problem being represented.
</p>
</dd><dt class="field"><b>message (String)</b></dt><dd>
<p>
A human-readable description of the problem being represented.
</p>
</dd><dt class="field"><b>location (<span style="color:#999999">optional</span> <a href="#type_Location">Location</a>)</b></dt><dd>
<p>
The location of the problem being represented. This field is omitted
unless there is a specific location associated with the problem (such
as a location where an element being renamed will be shadowed).
</p>
</dd></dl></dd><dt class="typeDefinition"><a name="type_RefactoringProblemSeverity">RefactoringProblemSeverity: String</a></dt><dd>
<p>
An enumeration of the severities of problems that can be returned by the
refactoring requests.
</p>
<dl><dt class="value">INFO</dt><dd>
<p>
A minor code problem. No example, because it is not used yet.
</p>
</dd><dt class="value">WARNING</dt><dd>
<p>
A minor code problem. For example names of local variables should be
camel case and start with a lower case letter. Staring the name of a
variable with an upper case is OK from the language point of view, but
it is nice to warn the user.
</p>
</dd><dt class="value">ERROR</dt><dd>
<p>
The refactoring technically can be performed, but there is a logical
problem. For example the name of a local variable being extracted
conflicts with another name in the scope, or duplicate parameter names
in the method being extracted, or a conflict between a parameter name
and a local variable, etc. In some cases the location of the problem
is also provided, so the IDE can show user the location and the
problem, and let the user decide whether they want to perform the
refactoring. For example the name conflict might be expected, and the
user wants to fix it afterwards.
</p>
</dd><dt class="value">FATAL</dt><dd>
<p>
A fatal error, which prevents performing the refactoring. For example
the name of a local variable being extracted is not a valid
identifier, or selection is not a valid expression.
</p>
</dd></dl></dd><dt class="typeDefinition"><a name="type_RemoveContentOverlay">RemoveContentOverlay: object</a></dt><dd>
<p>
A directive to remove an existing file content overlay. After processing
this directive, the file contents will once again be read from the file
system.
</p>
<p>
If this directive is used on a file that doesn't currently have a content
overlay, it has no effect.
</p>
<dl><dt class="field"><b>type = "remove"</b></dt><dd></dd></dl></dd><dt class="typeDefinition"><a name="type_RequestError">RequestError: object</a></dt><dd>
<p>
An indication of a problem with the execution of the server,
typically in response to a request.
</p>
<dl><dt class="field"><b>code (<a href="#type_RequestErrorCode">RequestErrorCode</a>)</b></dt><dd>
<p>
A code that uniquely identifies the error that occurred.
</p>
</dd><dt class="field"><b>message (String)</b></dt><dd>
<p>
A short description of the error.
</p>
</dd><dt class="field"><b>stackTrace (<span style="color:#999999">optional</span> String)</b></dt><dd>
<p>
The stack trace associated with processing the request, used for
debugging the plugin.
</p>
</dd></dl></dd><dt class="typeDefinition"><a name="type_RequestErrorCode">RequestErrorCode: String</a></dt><dd>
<p>
An enumeration of the types of errors that can occur in the execution of
the plugin.
</p>
<dl><dt class="value">INVALID_OVERLAY_CHANGE</dt><dd>
<p>
An "analysis.updateContent" request contained a
<a href="#type_ChangeContentOverlay">ChangeContentOverlay</a> object
that can't be applied. This can happen for two reasons:
</p>
<ul>
<li>
there was no preceding
<a href="#type_AddContentOverlay">AddContentOverlay</a> and hence no
content to which the edits could be applied, or
</li>
<li>
one or more of the specified edits have an offset or length that is
out of range.
</li>
</ul>
</dd><dt class="value">INVALID_PARAMETER</dt><dd>
<p>
One of the method parameters was invalid.
</p>
</dd><dt class="value">PLUGIN_ERROR</dt><dd>
<p>
An internal error occurred in the plugin while attempting to respond
to a request. Also see the plugin.error notification for errors that
occur outside of handling a request.
</p>
</dd><dt class="value">UNKNOWN_REQUEST</dt><dd>
<p>
A request was received that the plugin does not recognize, or cannot
handle in its current configuration.
</p>
</dd></dl></dd><dt class="typeDefinition"><a name="type_SourceChange">SourceChange: object</a></dt><dd>
<p>
A description of a set of edits that implement a single conceptual change.
</p>
<dl><dt class="field"><b>message (String)</b></dt><dd>
<p>
A human-readable description of the change to be applied.
</p>
</dd><dt class="field"><b>edits (List&lt;<a href="#type_SourceFileEdit">SourceFileEdit</a>&gt;)</b></dt><dd>
<p>
A list of the edits used to effect the change, grouped by file.
</p>
</dd><dt class="field"><b>linkedEditGroups (List&lt;<a href="#type_LinkedEditGroup">LinkedEditGroup</a>&gt;)</b></dt><dd>
<p>
A list of the linked editing groups used to customize the changes that
were made.
</p>
</dd><dt class="field"><b>selection (<span style="color:#999999">optional</span> <a href="#type_Position">Position</a>)</b></dt><dd>
<p>
The position that should be selected after the edits have been
applied.
</p>
</dd></dl></dd><dt class="typeDefinition"><a name="type_SourceEdit">SourceEdit: object</a></dt><dd>
<p>
A description of a single change to a single file.
</p>
<dl><dt class="field"><b>offset (int)</b></dt><dd>
<p>
The offset of the region to be modified.
</p>
</dd><dt class="field"><b>length (int)</b></dt><dd>
<p>
The length of the region to be modified.
</p>
</dd><dt class="field"><b>replacement (String)</b></dt><dd>
<p>
The code that is to replace the specified region in the original code.
</p>
</dd><dt class="field"><b>id (<span style="color:#999999">optional</span> String)</b></dt><dd>
<p>
An identifier that uniquely identifies this source edit from other
edits in the same response. This field is omitted unless a containing
structure needs to be able to identify the edit for some reason.
</p>
<p>
For example, some refactoring operations can produce edits that might
not be appropriate (referred to as potential edits). Such edits will
have an id so that they can be referenced. Edits in the same response
that do not need to be referenced will not have an id.
</p>
</dd></dl></dd><dt class="typeDefinition"><a name="type_SourceFileEdit">SourceFileEdit: object</a></dt><dd>
<p>
A description of a set of changes to a single file.
</p>
<dl><dt class="field"><b>file (<a href="#type_FilePath">FilePath</a>)</b></dt><dd>
<p>
The file containing the code to be modified.
</p>
</dd><dt class="field"><b>fileStamp (long)</b></dt><dd>
<p>
The modification stamp of the file at the moment when the change was
created, in milliseconds since the "Unix epoch". Will be -1 if the
file did not exist and should be created. The client may use this
field to make sure that the file was not changed since then, so it is
safe to apply the change.
</p>
</dd><dt class="field"><b>edits (List&lt;<a href="#type_SourceEdit">SourceEdit</a>&gt;)</b></dt><dd>
<p>
A list of the edits used to effect the change.
</p>
</dd></dl></dd><dt class="typeDefinition"><a name="type_WatchEvent">WatchEvent: object</a></dt><dd>
<p>
A watch event sent by the server when the file system has been modified.
</p>
<dl><dt class="field"><b>type (<a href="#type_WatchEventType">WatchEventType</a>)</b></dt><dd>
<p>
The type of change represented by this event.
</p>
</dd><dt class="field"><b>path (String)</b></dt><dd>
<p>
The absolute path of the file or directory that changed.
</p>
</dd></dl></dd><dt class="typeDefinition"><a name="type_WatchEventType">WatchEventType: String</a></dt><dd>
<p>
An indication of the type of change associated with a watch event.
</p>
<dl><dt class="value">ADD</dt><dd>
<p>
An indication that the file or directory was added.
</p>
</dd><dt class="value">MODIFY</dt><dd>
<p>
An indication that the file was modified.
</p>
</dd><dt class="value">REMOVE</dt><dd>
<p>
An indication that the file or directory was removed.
</p>
</dd></dl></dd></dl>
<h2><a name="refactorings">Refactorings</a></h2>
<p>
This section contains additional information for each kind of refactoring.
In addition to a brief description of the refactoring, there is a
specification of the feedback that is provided when a refactoring is
requested using the
<a href="request_edit.getRefactoring">edit.getRefactoring</a> request
(designed to improve the UX) and the options that may be provided to
<a href="request_edit.getRefactoring">edit.getRefactoring</a>.
</p>
<dl><dt class="refactoring">CONVERT_GETTER_TO_METHOD</dt><dd>
<p>
Convert a getter into a method by removing the keyword get and adding an
empty parameter list.
</p>
<p>
It is an error if the range contains anything other than all or part of
the name of a single getter.
</p>
<h4>Feedback:</h4><p>none</p><h4>Options:</h4><p>none</p></dd><dt class="refactoring">CONVERT_METHOD_TO_GETTER</dt><dd>
<p>
Convert a method into a getter by adding the keyword get and removing the
parameter list.
</p>
<p>
It is an error if the range contains anything other than all or part of
the name of a single method or if the method has a non-empty parameter
list.
</p>
<h4>Feedback:</h4><p>none</p><h4>Options:</h4><p>none</p></dd><dt class="refactoring">EXTRACT_LOCAL_VARIABLE</dt><dd>
<p>
Create a local variable initialized by the expression that covers the
specified selection.
</p>
<p>
It is an error if the selection range is not covered by a complete
expression.
</p>
<h4>Feedback:</h4><dl><dt class="field"><b>coveringExpressionOffsets (<span style="color:#999999">optional</span> List&lt;int&gt;)</b></dt><dd>
<p>
The offsets of the expressions that cover the specified selection,
from the down most to the up most.
</p>
</dd><dt class="field"><b>coveringExpressionLengths (<span style="color:#999999">optional</span> List&lt;int&gt;)</b></dt><dd>
<p>
The lengths of the expressions that cover the specified selection,
from the down most to the up most.
</p>
</dd><dt class="field"><b>names (List&lt;String&gt;)</b></dt><dd>
<p>
The proposed names for the local variable.
</p>
</dd><dt class="field"><b>offsets (List&lt;int&gt;)</b></dt><dd>
<p>
The offsets of the expressions that would be replaced by a reference
to the variable.
</p>
</dd><dt class="field"><b>lengths (List&lt;int&gt;)</b></dt><dd>
<p>
The lengths of the expressions that would be replaced by a reference
to the variable. The lengths correspond to the offsets. In other
words, for a given expression, if the offset of that expression is
offsets[i], then the length of that expression is lengths[i].
</p>
</dd></dl><h4>Options:</h4><dl><dt class="field"><b>name (String)</b></dt><dd>
<p>
The name that the local variable should be given.
</p>
</dd><dt class="field"><b>extractAll (bool)</b></dt><dd>
<p>
True if all occurrences of the expression within the scope in which
the variable will be defined should be replaced by a reference to the
local variable. The expression used to initiate the refactoring will
always be replaced.
</p>
</dd></dl></dd><dt class="refactoring">EXTRACT_METHOD</dt><dd>
<p>
Create a method whose body is the specified expression or list of
statements, possibly augmented with a return statement.
</p>
<p>
It is an error if the range contains anything other than a complete
expression (no partial expressions are allowed) or a complete sequence of
statements.
</p>
<h4>Feedback:</h4><dl><dt class="field"><b>offset (int)</b></dt><dd>
<p>
The offset to the beginning of the expression or statements that will
be extracted.
</p>
</dd><dt class="field"><b>length (int)</b></dt><dd>
<p>
The length of the expression or statements that will be extracted.
</p>
</dd><dt class="field"><b>returnType (String)</b></dt><dd>
<p>
The proposed return type for the method. If the returned element does
not have a declared return type, this field will contain an empty
string.
</p>
</dd><dt class="field"><b>names (List&lt;String&gt;)</b></dt><dd>
<p>
The proposed names for the method.
</p>
</dd><dt class="field"><b>canCreateGetter (bool)</b></dt><dd>
<p>
True if a getter could be created rather than a method.
</p>
</dd><dt class="field"><b>parameters (List&lt;<a href="#type_RefactoringMethodParameter">RefactoringMethodParameter</a>&gt;)</b></dt><dd>
<p>
The proposed parameters for the method.
</p>
</dd><dt class="field"><b>offsets (List&lt;int&gt;)</b></dt><dd>
<p>
The offsets of the expressions or statements that would be replaced by
an invocation of the method.
</p>
</dd><dt class="field"><b>lengths (List&lt;int&gt;)</b></dt><dd>
<p>
The lengths of the expressions or statements that would be replaced by
an invocation of the method. The lengths correspond to the offsets. In
other words, for a given expression (or block of statements), if the
offset of that expression is offsets[i], then the length of that
expression is lengths[i].
</p>
</dd></dl><h4>Options:</h4><dl><dt class="field"><b>returnType (String)</b></dt><dd>
<p>
The return type that should be defined for the method.
</p>
</dd><dt class="field"><b>createGetter (bool)</b></dt><dd>
<p>
True if a getter should be created rather than a method. It is an
error if this field is true and the list of parameters is non-empty.
</p>
</dd><dt class="field"><b>name (String)</b></dt><dd>
<p>
The name that the method should be given.
</p>
</dd><dt class="field"><b>parameters (List&lt;<a href="#type_RefactoringMethodParameter">RefactoringMethodParameter</a>&gt;)</b></dt><dd>
<p>
The parameters that should be defined for the method.
</p>
<p>
It is an error if a REQUIRED or NAMED parameter follows a POSITIONAL
parameter. It is an error if a REQUIRED or POSITIONAL parameter
follows a NAMED parameter.
</p>
<ul>
<li>
To change the order and/or update proposed parameters, add
parameters with the same identifiers as proposed.
</li>
<li>
To add new parameters, omit their identifier.
</li>
<li>
To remove some parameters, omit them in this list.
</li>
</ul>
</dd><dt class="field"><b>extractAll (bool)</b></dt><dd>
<p>
True if all occurrences of the expression or statements should be
replaced by an invocation of the method. The expression or statements
used to initiate the refactoring will always be replaced.
</p>
</dd></dl></dd><dt class="refactoring">INLINE_LOCAL_VARIABLE</dt><dd>
<p>
Inline the initializer expression of a local variable in place of any
references to that variable.
</p>
<p>
It is an error if the range contains anything other than all or part of
the name of a single local variable.
</p>
<h4>Feedback:</h4><dl><dt class="field"><b>name (String)</b></dt><dd>
<p>
The name of the variable being inlined.
</p>
</dd><dt class="field"><b>occurrences (int)</b></dt><dd>
<p>
The number of times the variable occurs.
</p>
</dd></dl><h4>Options:</h4><p>none</p></dd><dt class="refactoring">INLINE_METHOD</dt><dd>
<p>
Inline a method in place of one or all references to that method.
</p>
<p>
It is an error if the range contains anything other than all or part of
the name of a single method.
</p>
<h4>Feedback:</h4><dl><dt class="field"><b>className (<span style="color:#999999">optional</span> String)</b></dt><dd>
<p>
The name of the class enclosing the method being inlined. If not a
class member is being inlined, this field will be absent.
</p>
</dd><dt class="field"><b>methodName (String)</b></dt><dd>
<p>
The name of the method (or function) being inlined.
</p>
</dd><dt class="field"><b>isDeclaration (bool)</b></dt><dd>
<p>
True if the declaration of the method is selected and all references
should be inlined.
</p>
</dd></dl><h4>Options:</h4><dl><dt class="field"><b>deleteSource (bool)</b></dt><dd>
<p>
True if the method being inlined should be removed. It is an error if
this field is true and inlineAll is false.
</p>
</dd><dt class="field"><b>inlineAll (bool)</b></dt><dd>
<p>
True if all invocations of the method should be inlined, or false if
only the invocation site used to create this refactoring should be
inlined.
</p>
</dd></dl></dd><dt class="refactoring">MOVE_FILE</dt><dd>
<p>
Move the given file and update all of the references to that file and from
it. The move operation is supported in general case - for renaming a file
in the same folder, moving it to a different folder or both.
</p>
<p>
The refactoring must be activated before an actual file moving operation
is performed.
</p>
<p>
The "offset" and "length" fields from the request are ignored, but the
file specified in the request specifies the file to be moved.
</p>
<h4>Feedback:</h4><p>none</p><h4>Options:</h4><dl><dt class="field"><b>newFile (<a href="#type_FilePath">FilePath</a>)</b></dt><dd>
<p>
The new file path to which the given file is being moved.
</p>
</dd></dl></dd><dt class="refactoring">RENAME</dt><dd>
<p>
Rename a given element and all of the references to that element.
</p>
<p>
It is an error if the range contains anything other than all or part of
the name of a single function (including methods, getters and setters),
variable (including fields, parameters and local variables), class or
function type.
</p>
<h4>Feedback:</h4><dl><dt class="field"><b>offset (int)</b></dt><dd>
<p>
The offset to the beginning of the name selected to be renamed.
</p>
</dd><dt class="field"><b>length (int)</b></dt><dd>
<p>
The length of the name selected to be renamed.
</p>
</dd><dt class="field"><b>elementKindName (String)</b></dt><dd>
<p>
The human-readable description of the kind of element being renamed
(such as “class” or “function type alias”).
</p>
</dd><dt class="field"><b>oldName (String)</b></dt><dd>
<p>
The old name of the element before the refactoring.
</p>
</dd></dl><h4>Options:</h4><dl><dt class="field"><b>newName (String)</b></dt><dd>
<p>
The name that the element should have after the refactoring.
</p>
</dd></dl></dd></dl>
<h2 class="domain"><a name="index">Index</a></h2>
<h3>Domains</h3><h4>plugin (<a href="#domain_plugin"></a>)</h4><div class="subindex"><h5>Requests</h5><ul><li><a href="#request_plugin.versionCheck">versionCheck</a></li><li><a href="#request_plugin.shutdown">shutdown</a></li></ul><h5>Notifications</h5><div class="subindex"><ul><li><a href="#notification_plugin.error">error</a></li></ul></div></div><h4>analysis (<a href="#domain_analysis"></a>)</h4><div class="subindex"><h5>Requests</h5><ul><li><a href="#request_analysis.handleWatchEvents">handleWatchEvents</a></li><li><a href="#request_analysis.reanalyze">reanalyze</a></li><li><a href="#request_analysis.setContextBuilderOptions">setContextBuilderOptions</a></li><li><a href="#request_analysis.setContextRoots">setContextRoots</a></li><li><a href="#request_analysis.setPriorityFiles">setPriorityFiles</a></li><li><a href="#request_analysis.setSubscriptions">setSubscriptions</a></li><li><a href="#request_analysis.updateContent">updateContent</a></li></ul><h5>Notifications</h5><div class="subindex"><ul><li><a href="#notification_analysis.errors">errors</a></li><li><a href="#notification_analysis.folding">folding</a></li><li><a href="#notification_analysis.highlights">highlights</a></li><li><a href="#notification_analysis.navigation">navigation</a></li><li><a href="#notification_analysis.occurrences">occurrences</a></li><li><a href="#notification_analysis.outline">outline</a></li></ul></div></div><h4>completion (<a href="#domain_completion"></a>)</h4><div class="subindex"><h5>Requests</h5><ul><li><a href="#request_completion.getSuggestions">getSuggestions</a></li></ul></div><h4>edit (<a href="#domain_edit"></a>)</h4><div class="subindex"><h5>Requests</h5><ul><li><a href="#request_edit.getAssists">getAssists</a></li><li><a href="#request_edit.getAvailableRefactorings">getAvailableRefactorings</a></li><li><a href="#request_edit.getFixes">getFixes</a></li><li><a href="#request_edit.getRefactoring">getRefactoring</a></li></ul></div><h3>Types (<a href="#types"></a>)</h3><div class="subindex"><ul><li><a href="#type_AddContentOverlay">AddContentOverlay</a></li><li><a href="#type_AnalysisError">AnalysisError</a></li><li><a href="#type_AnalysisErrorFixes">AnalysisErrorFixes</a></li><li><a href="#type_AnalysisErrorSeverity">AnalysisErrorSeverity</a></li><li><a href="#type_AnalysisErrorType">AnalysisErrorType</a></li><li><a href="#type_AnalysisService">AnalysisService</a></li><li><a href="#type_ChangeContentOverlay">ChangeContentOverlay</a></li><li><a href="#type_CompletionSuggestion">CompletionSuggestion</a></li><li><a href="#type_CompletionSuggestionKind">CompletionSuggestionKind</a></li><li><a href="#type_ContextBuilderOptions">ContextBuilderOptions</a></li><li><a href="#type_ContextRoot">ContextRoot</a></li><li><a href="#type_Element">Element</a></li><li><a href="#type_ElementKind">ElementKind</a></li><li><a href="#type_FilePath">FilePath</a></li><li><a href="#type_FoldingKind">FoldingKind</a></li><li><a href="#type_FoldingRegion">FoldingRegion</a></li><li><a href="#type_HighlightRegion">HighlightRegion</a></li><li><a href="#type_HighlightRegionType">HighlightRegionType</a></li><li><a href="#type_LinkedEditGroup">LinkedEditGroup</a></li><li><a href="#type_LinkedEditSuggestion">LinkedEditSuggestion</a></li><li><a href="#type_LinkedEditSuggestionKind">LinkedEditSuggestionKind</a></li><li><a href="#type_Location">Location</a></li><li><a href="#type_NavigationRegion">NavigationRegion</a></li><li><a href="#type_NavigationTarget">NavigationTarget</a></li><li><a href="#type_Occurrences">Occurrences</a></li><li><a href="#type_Outline">Outline</a></li><li><a href="#type_Position">Position</a></li><li><a href="#type_PrioritizedSourceChange">PrioritizedSourceChange</a></li><li><a href="#type_RefactoringFeedback">RefactoringFeedback</a></li><li><a href="#type_RefactoringKind">RefactoringKind</a></li><li><a href="#type_RefactoringMethodParameter">RefactoringMethodParameter</a></li><li><a href="#type_RefactoringOptions">RefactoringOptions</a></li><li><a href="#type_RefactoringMethodParameterKind">RefactoringMethodParameterKind</a></li><li><a href="#type_RefactoringProblem">RefactoringProblem</a></li><li><a href="#type_RefactoringProblemSeverity">RefactoringProblemSeverity</a></li><li><a href="#type_RemoveContentOverlay">RemoveContentOverlay</a></li><li><a href="#type_RequestError">RequestError</a></li><li><a href="#type_RequestErrorCode">RequestErrorCode</a></li><li><a href="#type_SourceChange">SourceChange</a></li><li><a href="#type_SourceEdit">SourceEdit</a></li><li><a href="#type_SourceFileEdit">SourceFileEdit</a></li><li><a href="#type_WatchEvent">WatchEvent</a></li><li><a href="#type_WatchEventType">WatchEventType</a></li></ul></div><h3>Refactorings (<a href="#refactorings"></a>)</h3><div class="subindex"><ul><li><a href="#refactoring_CONVERT_GETTER_TO_METHOD">CONVERT_GETTER_TO_METHOD</a></li><li><a href="#refactoring_CONVERT_METHOD_TO_GETTER">CONVERT_METHOD_TO_GETTER</a></li><li><a href="#refactoring_EXTRACT_LOCAL_VARIABLE">EXTRACT_LOCAL_VARIABLE</a></li><li><a href="#refactoring_EXTRACT_METHOD">EXTRACT_METHOD</a></li><li><a href="#refactoring_INLINE_LOCAL_VARIABLE">INLINE_LOCAL_VARIABLE</a></li><li><a href="#refactoring_INLINE_METHOD">INLINE_METHOD</a></li><li><a href="#refactoring_MOVE_FILE">MOVE_FILE</a></li><li><a href="#refactoring_RENAME">RENAME</a></li></ul></div>
</body></html>