def __init__(self, channel):
self.ListDocuments = channel.unary_unary(<EOL>'<STR_LIT>',<EOL>request_serializer=google_dot_cloud_dot_dialogflow__v2beta1_dot_proto_dot_document__pb2.ListDocumentsRequest.SerializeToString,<EOL>response_deserializer=google_dot_cloud_dot_dialogflow__v2beta1_dot_proto_dot_document__pb2.ListDocumentsResponse.FromString,<EOL>)<EOL>self.GetDocument = channel.unary_unary(<EOL>'<STR_LIT>',<EOL>request_serializer=google_dot_cloud_dot_dialogflow__v2beta1_dot_proto_dot_document__pb2.GetDocumentRequest.SerializeToString,<EOL>response_deserializer=google_dot_cloud_dot_dialogflow__v2beta1_dot_proto_dot_document__pb2.Document.FromString,<EOL>)<EOL>self.CreateDocument = channel.unary_unary(<EOL>'<STR_LIT>',<EOL>request_serializer=google_dot_cloud_dot_dialogflow__v2beta1_dot_proto_dot_document__pb2.CreateDocumentRequest.SerializeToString,<EOL>response_deserializer=google_dot_longrunning_dot_operations__pb2.Operation.FromString,<EOL>)<EOL>self.DeleteDocument = channel.unary_unary(<EOL>'<STR_LIT>',<EOL>request_serializer=google_dot_cloud_dot_dialogflow__v2beta1_dot_proto_dot_document__pb2.DeleteDocumentRequest.SerializeToString,<EOL>response_deserializer=google_dot_longrunning_dot_operations__pb2.Operation.FromString,<EOL>)<EOL>
Constructor.

        Args:
          channel: A grpc.Channel.