modules/peerconnection/RTCSessionDescription.idl

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// https://w3c.github.io/webrtc-pc/#rtcsessiondescription-class

enum RTCSdpType {
    "offer",
    "pranswer",
    "answer"
    // TODO(foolip): "rollback" is in the spec and Gecko's IDL.
};

[
    Constructor(optional RTCSessionDescriptionInit descriptionInitDict),
    ConstructorCallWith=ExecutionContext
] interface RTCSessionDescription {
    // TODO(foolip): |type| and |sdp| should be readonly and not nullable.
    // https://crbug.com/662898
    [Measure] attribute RTCSdpType? type;
    [Measure] attribute DOMString? sdp;
    serializer = {attribute};
};