question: add a message body converter . such a converters is used to convert objects to mime parts . concode_field_sep OutputStream os concode_elem_sep byte[] BOUNDARY_CHARS concode_elem_sep Random rnd concode_elem_sep Charset charset concode_elem_sep List<HttpMessageConverter<?>> partConverters concode_elem_sep boolean headersWritten concode_elem_sep HttpHeaders headers concode_elem_sep List<MediaType> supportedMediaTypes concode_field_sep void setCharset concode_elem_sep void writeNewLine concode_elem_sep MultiValueMap<String,String> read concode_elem_sep HttpHeaders getHeaders concode_elem_sep void writeHeaders concode_elem_sep boolean canRead concode_elem_sep void writeForm concode_elem_sep OutputStream getBody concode_elem_sep boolean canWrite concode_elem_sep HttpEntity getEntity concode_elem_sep void writeEnd concode_elem_sep byte[] getAsciiBytes concode_elem_sep String getFilename concode_elem_sep void writeBoundary concode_elem_sep void writeParts concode_elem_sep void setSupportedMediaTypes concode_elem_sep void writePart concode_elem_sep void writeMultipart concode_elem_sep boolean isMultipart concode_elem_sep void setPartConverters concode_elem_sep void write concode_elem_sep byte[] generateMultipartBoundary concode_elem_sep List<MediaType> getSupportedMediaTypes
target: void function ( HttpMessageConverter < ? > arg0 ) { Assert . notNull ( arg0 , "srini_string" ) ; this . partConverters . add ( arg0 ) ; }