.../grpc/src/core/lib/security/context/security_context.h:105:3: error: typedef redefinition with different types ('struct grpc_client_security_context' vs 'grpc_client_security_context')
} grpc_client_security_context;
  ^
.../grpc/src/cpp/common/channel_filter.h:59:8: note: previous definition is here
struct grpc_client_security_context;