attaches a set of request headers to a stub . concode_field_sep PlaceHolder placeHolder concode_field_sep ClientInterceptor newAttachHeadersInterceptor concode_elem_sep T captureMetadata concode_elem_sep ClientInterceptor newCaptureMetadataInterceptor
T function ( T arg0 , final Metadata . Headers arg1 ) { return ( T ) arg0 . configureNewStub ( ) . addInterceptor ( newAttachHeadersInterceptor ( arg1 ) ) . build ( ) ; }