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				@@ -21,6 +21,8 @@ Only a subset of the pre-defined status codes are generated by the gRPC librarie 
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				 | Flow-control protocol violation |	INTERNAL | Both | 
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				 | Error parsing returned status	| UNKNOWN | Client | 
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				 | Incorrect Auth metadata ( Credentials failed to get metadata, Incompatible credentials set on channel and call, Invalid host set in `:authority` metadata, etc.) | UNAUTHENTICATED | Both | 
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				+| Request cardinality violation (method requires exactly one request but client sent some other number of requests) | UNIMPLEMENTED | Server| 
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				+| Response cardinality violation (method requires exactly one response but server sent some other number of responses) | UNIMPLEMENTED | Client| 
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				 | Error parsing response proto	| INTERNAL | Client| 
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				 | Error parsing request proto	| INTERNAL | Server| 
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