MarshalCredential marshal a Credential instance and returns a Message object.

NewClient creates a new Signal client.

UnMarshalCredential parses the credentials from the message and returns a Credential instance.

DirectCheck indicates support to direct mode checks.

Credential is an instance of a GrpcClient's Credential.

GrpcClient Wraps the Signal Exchange Service gRpc client.

ConnStateNotifier is a wrapper interface of the status recorder.

Status is the status of the client.