Class State (1.10.1) 

State(value)

Stream state.

    Updates are rejected on the resource in this
    state.
FAILED (5):
    The stream is experiencing an error that is
    preventing data from being streamed.
FAILED_PERMANENTLY (6):
    The stream has experienced a terminal
    failure.
STARTING (7):
    The stream is starting, but not yet running.
DRAINING (8):
    The Stream is no longer reading new events,
    but still writing events in the buffer.

Enums
Name Description
STATE_UNSPECIFIED Unspecified stream state.
CREATED The stream has been created.
RUNNING The stream is running.
PAUSED The stream is paused.
MAINTENANCE The stream is in maintenance mode.