ReadonlyACTIVEBundle is active (started).
ReadonlyINSTALLEDBundle is installed.
ReadonlyRESOLVEDBundle is resolved (The JavaScript files are loaded).
ReadonlyRESOLVINGBundle is currently resolving (The JavaScript files are loading).
ReadonlySTARTINGBundle is starting.
ReadonlySTOPPINGBundle is stopping.
ReadonlyUNINSTALLEDBundle is no longer installed.
All possible states of a bundle.