THPDFOCRTextLayerStatus Type
THPDFOCRTextLayerStatus = (
otlsNotRun,
otlsSucceeded,
otlsInvalidOptions,
otlsEngineError,
otlsBudgetExceeded,
otlsCancelled,
otlsCommitError
);
otlsSucceeded covers a committed layer and a valid run with no accepted words
All failure values return False and preserve the pre-operation loaded object graph