public void setGrpc(VirtualGatewayGrpcConnectionPool grpc) {
        this.grpc = grpc;
    }
<p>
An object that represents a type of connection pool.
</p>

@param grpc
       An object that represents a type of connection pool.
aws-java-sdk-appmesh/src/main/java/com/amazonaws/services/appmesh/model/VirtualGatewayConnectionPool.java