|  | @@ -66,21 +66,21 @@ namespace grpc.testing {
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				|  |  |      public interface ITestServiceClient
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				|  |  |      {
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				|  |  |        global::grpc.testing.Empty EmptyCall(global::grpc.testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
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				|  |  | -      global::grpc.testing.Empty EmptyCall(global::grpc.testing.Empty request, CallContext context);
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				|  |  | +      global::grpc.testing.Empty EmptyCall(global::grpc.testing.Empty request, CallOptions options);
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				|  |  |        AsyncUnaryCall<global::grpc.testing.Empty> EmptyCallAsync(global::grpc.testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
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				|  |  | -      AsyncUnaryCall<global::grpc.testing.Empty> EmptyCallAsync(global::grpc.testing.Empty request, CallContext context);
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				|  |  | +      AsyncUnaryCall<global::grpc.testing.Empty> EmptyCallAsync(global::grpc.testing.Empty request, CallOptions options);
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				|  |  |        global::grpc.testing.SimpleResponse UnaryCall(global::grpc.testing.SimpleRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
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				|  |  | -      global::grpc.testing.SimpleResponse UnaryCall(global::grpc.testing.SimpleRequest request, CallContext context);
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				|  |  | +      global::grpc.testing.SimpleResponse UnaryCall(global::grpc.testing.SimpleRequest request, CallOptions options);
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				|  |  |        AsyncUnaryCall<global::grpc.testing.SimpleResponse> UnaryCallAsync(global::grpc.testing.SimpleRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
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				|  |  | -      AsyncUnaryCall<global::grpc.testing.SimpleResponse> UnaryCallAsync(global::grpc.testing.SimpleRequest request, CallContext context);
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				|  |  | +      AsyncUnaryCall<global::grpc.testing.SimpleResponse> UnaryCallAsync(global::grpc.testing.SimpleRequest request, CallOptions options);
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				|  |  |        AsyncServerStreamingCall<global::grpc.testing.StreamingOutputCallResponse> StreamingOutputCall(global::grpc.testing.StreamingOutputCallRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
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				|  |  | -      AsyncServerStreamingCall<global::grpc.testing.StreamingOutputCallResponse> StreamingOutputCall(global::grpc.testing.StreamingOutputCallRequest request, CallContext context);
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				|  |  | +      AsyncServerStreamingCall<global::grpc.testing.StreamingOutputCallResponse> StreamingOutputCall(global::grpc.testing.StreamingOutputCallRequest request, CallOptions options);
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				|  |  |        AsyncClientStreamingCall<global::grpc.testing.StreamingInputCallRequest, global::grpc.testing.StreamingInputCallResponse> StreamingInputCall(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
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				|  |  | -      AsyncClientStreamingCall<global::grpc.testing.StreamingInputCallRequest, global::grpc.testing.StreamingInputCallResponse> StreamingInputCall(CallContext context);
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				|  |  | +      AsyncClientStreamingCall<global::grpc.testing.StreamingInputCallRequest, global::grpc.testing.StreamingInputCallResponse> StreamingInputCall(CallOptions options);
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				|  |  |        AsyncDuplexStreamingCall<global::grpc.testing.StreamingOutputCallRequest, global::grpc.testing.StreamingOutputCallResponse> FullDuplexCall(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
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				|  |  | -      AsyncDuplexStreamingCall<global::grpc.testing.StreamingOutputCallRequest, global::grpc.testing.StreamingOutputCallResponse> FullDuplexCall(CallContext context);
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				|  |  | +      AsyncDuplexStreamingCall<global::grpc.testing.StreamingOutputCallRequest, global::grpc.testing.StreamingOutputCallResponse> FullDuplexCall(CallOptions options);
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				|  |  |        AsyncDuplexStreamingCall<global::grpc.testing.StreamingOutputCallRequest, global::grpc.testing.StreamingOutputCallResponse> HalfDuplexCall(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
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				|  |  | -      AsyncDuplexStreamingCall<global::grpc.testing.StreamingOutputCallRequest, global::grpc.testing.StreamingOutputCallResponse> HalfDuplexCall(CallContext context);
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				|  |  | +      AsyncDuplexStreamingCall<global::grpc.testing.StreamingOutputCallRequest, global::grpc.testing.StreamingOutputCallResponse> HalfDuplexCall(CallOptions options);
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				|  |  |      }
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				|  |  |  
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				|  |  |      // server-side interface
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				|  | @@ -102,82 +102,82 @@ namespace grpc.testing {
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				|  |  |        }
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				|  |  |        public global::grpc.testing.Empty EmptyCall(global::grpc.testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
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				|  |  |        {
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				|  |  | -        var call = CreateCall(__Method_EmptyCall, new CallContext(headers, deadline, cancellationToken));
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				|  |  | +        var call = CreateCall(__Method_EmptyCall, new CallOptions(headers, deadline, cancellationToken));
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				|  |  |          return Calls.BlockingUnaryCall(call, request);
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				|  |  |        }
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				|  |  | -      public global::grpc.testing.Empty EmptyCall(global::grpc.testing.Empty request, CallContext context)
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				|  |  | +      public global::grpc.testing.Empty EmptyCall(global::grpc.testing.Empty request, CallOptions options)
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				|  |  |        {
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				|  |  | -        var call = CreateCall(__Method_EmptyCall, context);
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				|  |  | +        var call = CreateCall(__Method_EmptyCall, options);
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				|  |  |          return Calls.BlockingUnaryCall(call, request);
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				|  |  |        }
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				|  |  |        public AsyncUnaryCall<global::grpc.testing.Empty> EmptyCallAsync(global::grpc.testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
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				|  |  |        {
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				|  |  | -        var call = CreateCall(__Method_EmptyCall, new CallContext(headers, deadline, cancellationToken));
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				|  |  | +        var call = CreateCall(__Method_EmptyCall, new CallOptions(headers, deadline, cancellationToken));
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				|  |  |          return Calls.AsyncUnaryCall(call, request);
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				|  |  |        }
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				|  |  | -      public AsyncUnaryCall<global::grpc.testing.Empty> EmptyCallAsync(global::grpc.testing.Empty request, CallContext context)
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				|  |  | +      public AsyncUnaryCall<global::grpc.testing.Empty> EmptyCallAsync(global::grpc.testing.Empty request, CallOptions options)
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				|  |  |        {
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				|  |  | -        var call = CreateCall(__Method_EmptyCall, context);
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				|  |  | +        var call = CreateCall(__Method_EmptyCall, options);
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				|  |  |          return Calls.AsyncUnaryCall(call, request);
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				|  |  |        }
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				|  |  |        public global::grpc.testing.SimpleResponse UnaryCall(global::grpc.testing.SimpleRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
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				|  |  |        {
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				|  |  | -        var call = CreateCall(__Method_UnaryCall, new CallContext(headers, deadline, cancellationToken));
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				|  |  | +        var call = CreateCall(__Method_UnaryCall, new CallOptions(headers, deadline, cancellationToken));
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				|  |  |          return Calls.BlockingUnaryCall(call, request);
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				|  |  |        }
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				|  |  | -      public global::grpc.testing.SimpleResponse UnaryCall(global::grpc.testing.SimpleRequest request, CallContext context)
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				|  |  | +      public global::grpc.testing.SimpleResponse UnaryCall(global::grpc.testing.SimpleRequest request, CallOptions options)
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				|  |  |        {
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				|  |  | -        var call = CreateCall(__Method_UnaryCall, context);
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				|  |  | +        var call = CreateCall(__Method_UnaryCall, options);
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				|  |  |          return Calls.BlockingUnaryCall(call, request);
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				|  |  |        }
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				|  |  |        public AsyncUnaryCall<global::grpc.testing.SimpleResponse> UnaryCallAsync(global::grpc.testing.SimpleRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
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				|  |  |        {
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				|  |  | -        var call = CreateCall(__Method_UnaryCall, new CallContext(headers, deadline, cancellationToken));
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				|  |  | +        var call = CreateCall(__Method_UnaryCall, new CallOptions(headers, deadline, cancellationToken));
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				|  |  |          return Calls.AsyncUnaryCall(call, request);
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				|  |  |        }
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				|  |  | -      public AsyncUnaryCall<global::grpc.testing.SimpleResponse> UnaryCallAsync(global::grpc.testing.SimpleRequest request, CallContext context)
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				|  |  | +      public AsyncUnaryCall<global::grpc.testing.SimpleResponse> UnaryCallAsync(global::grpc.testing.SimpleRequest request, CallOptions options)
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				|  |  |        {
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				|  |  | -        var call = CreateCall(__Method_UnaryCall, context);
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				|  |  | +        var call = CreateCall(__Method_UnaryCall, options);
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				|  |  |          return Calls.AsyncUnaryCall(call, request);
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				|  |  |        }
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				|  |  |        public AsyncServerStreamingCall<global::grpc.testing.StreamingOutputCallResponse> StreamingOutputCall(global::grpc.testing.StreamingOutputCallRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
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				|  |  |        {
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				|  |  | -        var call = CreateCall(__Method_StreamingOutputCall, new CallContext(headers, deadline, cancellationToken));
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				|  |  | +        var call = CreateCall(__Method_StreamingOutputCall, new CallOptions(headers, deadline, cancellationToken));
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				|  |  |          return Calls.AsyncServerStreamingCall(call, request);
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				|  |  |        }
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				|  |  | -      public AsyncServerStreamingCall<global::grpc.testing.StreamingOutputCallResponse> StreamingOutputCall(global::grpc.testing.StreamingOutputCallRequest request, CallContext context)
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				|  |  | +      public AsyncServerStreamingCall<global::grpc.testing.StreamingOutputCallResponse> StreamingOutputCall(global::grpc.testing.StreamingOutputCallRequest request, CallOptions options)
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				|  |  |        {
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				|  |  | -        var call = CreateCall(__Method_StreamingOutputCall, context);
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				|  |  | +        var call = CreateCall(__Method_StreamingOutputCall, options);
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				|  |  |          return Calls.AsyncServerStreamingCall(call, request);
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				|  |  |        }
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				|  |  |        public AsyncClientStreamingCall<global::grpc.testing.StreamingInputCallRequest, global::grpc.testing.StreamingInputCallResponse> StreamingInputCall(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
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				|  |  |        {
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				|  |  | -        var call = CreateCall(__Method_StreamingInputCall, new CallContext(headers, deadline, cancellationToken));
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				|  |  | +        var call = CreateCall(__Method_StreamingInputCall, new CallOptions(headers, deadline, cancellationToken));
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				|  |  |          return Calls.AsyncClientStreamingCall(call);
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				|  |  |        }
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				|  |  | -      public AsyncClientStreamingCall<global::grpc.testing.StreamingInputCallRequest, global::grpc.testing.StreamingInputCallResponse> StreamingInputCall(CallContext context)
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				|  |  | +      public AsyncClientStreamingCall<global::grpc.testing.StreamingInputCallRequest, global::grpc.testing.StreamingInputCallResponse> StreamingInputCall(CallOptions options)
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				|  |  |        {
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				|  |  | -        var call = CreateCall(__Method_StreamingInputCall, context);
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				|  |  | +        var call = CreateCall(__Method_StreamingInputCall, options);
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				|  |  |          return Calls.AsyncClientStreamingCall(call);
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				|  |  |        }
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				|  |  |        public AsyncDuplexStreamingCall<global::grpc.testing.StreamingOutputCallRequest, global::grpc.testing.StreamingOutputCallResponse> FullDuplexCall(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
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				|  |  |        {
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				|  |  | -        var call = CreateCall(__Method_FullDuplexCall, new CallContext(headers, deadline, cancellationToken));
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				|  |  | +        var call = CreateCall(__Method_FullDuplexCall, new CallOptions(headers, deadline, cancellationToken));
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				|  |  |          return Calls.AsyncDuplexStreamingCall(call);
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				|  |  |        }
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				|  |  | -      public AsyncDuplexStreamingCall<global::grpc.testing.StreamingOutputCallRequest, global::grpc.testing.StreamingOutputCallResponse> FullDuplexCall(CallContext context)
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				|  |  | +      public AsyncDuplexStreamingCall<global::grpc.testing.StreamingOutputCallRequest, global::grpc.testing.StreamingOutputCallResponse> FullDuplexCall(CallOptions options)
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				|  |  |        {
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				|  |  | -        var call = CreateCall(__Method_FullDuplexCall, context);
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				|  |  | +        var call = CreateCall(__Method_FullDuplexCall, options);
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				|  |  |          return Calls.AsyncDuplexStreamingCall(call);
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				|  |  |        }
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				|  |  |        public AsyncDuplexStreamingCall<global::grpc.testing.StreamingOutputCallRequest, global::grpc.testing.StreamingOutputCallResponse> HalfDuplexCall(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
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				|  |  |        {
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				|  |  | -        var call = CreateCall(__Method_HalfDuplexCall, new CallContext(headers, deadline, cancellationToken));
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				|  |  | +        var call = CreateCall(__Method_HalfDuplexCall, new CallOptions(headers, deadline, cancellationToken));
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				|  |  |          return Calls.AsyncDuplexStreamingCall(call);
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				|  |  |        }
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				|  |  | -      public AsyncDuplexStreamingCall<global::grpc.testing.StreamingOutputCallRequest, global::grpc.testing.StreamingOutputCallResponse> HalfDuplexCall(CallContext context)
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				|  |  | +      public AsyncDuplexStreamingCall<global::grpc.testing.StreamingOutputCallRequest, global::grpc.testing.StreamingOutputCallResponse> HalfDuplexCall(CallOptions options)
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				|  |  |        {
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				|  |  | -        var call = CreateCall(__Method_HalfDuplexCall, context);
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				|  |  | +        var call = CreateCall(__Method_HalfDuplexCall, options);
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				|  |  |          return Calls.AsyncDuplexStreamingCall(call);
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				|  |  |        }
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				|  |  |      }
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