question: get the http header value for the header name concode_field_sep Map<String,String> headers concode_elem_sep MessageContext messageContext concode_elem_sep Map<String,String> params concode_elem_sep String url concode_elem_sep Map<String,Object> properties concode_field_sep String getUrl concode_elem_sep void setHeaders concode_elem_sep void setMessageContext concode_elem_sep String getParam concode_elem_sep Object getProperty concode_elem_sep Map<String,String> getHeaders concode_elem_sep void setProperties concode_elem_sep MessageContext getMessageContext concode_elem_sep Map<String,String> getParams concode_elem_sep void setUrl concode_elem_sep void setParams
target: String function ( String arg0 ) { return headers . get ( arg0 ) ; }