30 // The type of payload that should be returned.
37 message Payload {  message
40   // Primary contents of payload.
53   // Desired payload type in the response from the server.
57   // Desired payload size in the response from the server.
60   // Optional input payload sent along with the request.
61   Payload payload = 3;  field
84   // Payload to increase message size.
85   Payload payload = 1;  field
95   // Optional input payload sent along with the request.
96   Payload payload = 1;  field
104   // Not expecting any payload from the response.
115   // Desired payload sizes in responses from the server.
131   // Desired payload type in the response from the server.
132   // If response_type is RANDOM, the payload from each response in the stream
133   // might be of different types. This is to simulate a mixed type of payload
140   // Optional input payload sent along with the request.
141   Payload payload = 3;  field
149   // Payload to increase response size.
150   Payload payload = 1;  field