Checks if the input can be handled by this class. If it cannot handle the input, rejects with an error explaining why.
A promise resolving if the input can be handled, rejecting with an Error if not.
Combine the results of the handlers into a single output.
Handles the given input. This may only be called if canHandle did not reject. When unconditionally calling both in sequence, consider handleSafe instead.
A promise resolving when handling is finished.
A promise resolving if the input can be handled, rejecting with an Error if not.
Combines the results of several CredentialsExtractors into one. If multiple of these extractors return a value for the same key, the last result will be used.