void function ( MessageHeaderInitializer arg0 ) { this . headerInitializer = arg0 ; }
configure a messageheaderinitializer to apply to the headers of allmessages sent to the client outbound channel . by default this property is not set . concode_field_sep MessageSendingOperations<String> messagingTemplate concode_elem_sep MessageHeaderInitializer headerInitializer concode_elem_sep Log logger concode_field_sep boolean supportsReturnType concode_elem_sep MessageHeaderInitializer getHeaderInitializer concode_elem_sep void handleReturnValue concode_elem_sep MessageHeaders createHeaders