Resolves the promise when the observable's state matches the predicate.
Optional
isError: (state: T) => unknownOptional
cancellationToken: CancellationTokenResolves the promise when the observable's state matches the predicate.
Optional
isError: (state: T) => unknownOptional
cancellationToken: CancellationToken
Resolves the promise when the observable's state matches the predicate.