copy the name-value pairs from the provided map . this operation will overwrite any existing values . use #copyheadersifabsent map to avoid overwritingvalues . note that the ` id ' and ` timestamp ' header values will never be overwritten . concode_field_sep T payload concode_elem_sep MessageHeaderAccessor headerAccessor concode_elem_sep Message<T> originalMessage concode_field_sep MessageBuilder<T> setHeaders concode_elem_sep MessageBuilder<T> removeHeaders concode_elem_sep MessageBuilder<T> copyHeadersIfAbsent concode_elem_sep MessageBuilder<T> setErrorChannelName concode_elem_sep MessageBuilder<T> setHeaderIfAbsent concode_elem_sep MessageBuilder<T> setHeader concode_elem_sep MessageBuilder<T> setErrorChannel concode_elem_sep MessageBuilder<T> removeHeader concode_elem_sep Message<T> build concode_elem_sep MessageBuilder<T> withPayload concode_elem_sep MessageBuilder<T> setReplyChannelName concode_elem_sep Message<T> createMessage concode_elem_sep MessageBuilder<T> fromMessage concode_elem_sep MessageBuilder<T> setReplyChannel
MessageBuilder < T > function ( Map < String , ? > arg0 ) { this . headerAccessor . copyHeaders ( arg0 ) ; return this ; }