goog.labs.userAgent

Sets whether to use client hints APIs in tests for codepaths that

• were originally implemented as checks against the navigator.userAgent string.
• have an alternative implementation that uses Client Hints APIs.

See the jsdoc on useClientHints for cases where this flag will be ineffective, and the Client Hints APIs would be used regardless. DO NOT call this function in production code - it will cause de-optimization.

Whether to use UserAgent-Client Hints API surfaces in parts of the labs.userAgent package that previously only relied on the navigator.userAgent string. Newer labs.userAgent API surfaces may ignore the result of this function as they are considered opt-in API surfaces.