50   def an_rpc(req, call)  argument
52     call.output_metadata.update(@trailing_metadata)
53     @received_md << call.metadata unless call.metadata.nil?
57   def a_client_streaming_rpc(call)  argument
58     # iterate through requests so call can complete
59     call.output_metadata.update(@trailing_metadata)
60     call.each_remote_read.each do |r|
66   def a_server_streaming_rpc(_req, call)  argument
67     call.output_metadata.update(@trailing_metadata)
71   def a_bidi_rpc(requests, call)  argument
72     call.output_metadata.update(@trailing_metadata)
84   def request_response(request:, call:, method:)  argument
85     GRPC.logger.info("Received request/response call at method #{method}" \
86       " with request #{request} for call #{call}")
87     call.output_metadata[:interc] = 'from_request_response'
92   def client_streamer(call:, method:)  argument
93     call.output_metadata[:interc] = 'from_client_streamer'
94     call.each_remote_read.each do |r|
98       "Received client streamer call at method #{method} for call #{call}"
103   def server_streamer(request:, call:, method:)  argument
104     GRPC.logger.info("Received server streamer call at method #{method} with request" \
105       " #{request} for call #{call}")
106     call.output_metadata[:interc] = 'from_server_streamer'
110   def bidi_streamer(requests:, call:, method:)  argument
114     GRPC.logger.info("Received bidi streamer call at method #{method} with requests" \
115       " #{requests} for call #{call}")
116     call.output_metadata[:interc] = 'from_bidi_streamer'
123   def request_response(request:, call:, method:, metadata: {})  argument
124     GRPC.logger.info("Intercepted request/response call at method #{method}" \
125       " with request #{request} for call #{call}" \
131   def client_streamer(requests:, call:, method:, metadata: {})  argument
132     GRPC.logger.info("Received client streamer call at method #{method}" \
133       " with requests #{requests} for call #{call}" \
142   def server_streamer(request:, call:, method:, metadata: {})  argument
143     GRPC.logger.info("Received server streamer call at method #{method}" \
144       " with request #{request} for call #{call}" \
150   def bidi_streamer(requests:, call:, method:, metadata: {})  argument
151     GRPC.logger.info("Received bidi streamer call at method #{method}" \
152       "with requests #{requests} for call #{call}" \