gets and removes the headername header form the input message the header will not be propagated concode_field_sep Logger LOG concode_field_sep void writeOutputInMessage concode_elem_sep boolean isListOfStrings concode_elem_sep void writeOutput concode_elem_sep ExecCommand readInput
T function ( Message arg0 , String arg1 , T arg2 , Class < T > arg3 ) { T loc0 = arg0 . getHeader ( arg1 , arg2 , arg3 ) ; arg0 . removeHeader ( arg1 ) ; return loc0 ; }