tree b63f8154743f78396ce1dda73a453fe797574089
parent 2e61cd2b9ae002ad4ec70d95d30165c9ef5471cf
author srawlins <srawlins@google.com> 1595622792 -0400
committer Sam Rawlins <sam.rawlins@gmail.com> 1595880645 -0700

Add documentation for customMocks, and MockSpec, in NULL_SAFETY_README.

Document that a MockSpec lets one customize the name, type arguments, and missing-stub behavior.

PiperOrigin-RevId: 323062022