Do not use.

Git tag.

Git branch.

OTHER is used to specify non-standard aliases, those not of the kinds above.

An alias to a repo revision.

A CloudRepoSourceContext denotes a particular revision in a cloud repo (a repo hosted by the Google Cloud Platform).

A CloudWorkspaceId is a unique identifier for a cloud workspace.

A CloudWorkspaceSourceContext denotes a workspace at a particular snapshot.

An ExtendedSourceContext is a SourceContext combined with additional details describing the context.

A SourceContext referring to a Gerrit project.

A GitSourceContext denotes a particular revision in a third party Git repository (e.g.

Selects a repo using a Google Cloud Platform project ID (e.g.

A unique identifier for a cloud repo.

A SourceContext is a reference to a tree of files.

The type of an Alias.