question: this method return true if a given url query parameter is already part of the list . if it does n't exist then false is returned . concode_field_sep HeaderProperties httpHeaderParams concode_elem_sep long serialVersionUID concode_elem_sep URLQueryParameter queryParams concode_field_sep void removeHTTPHeaderParameter concode_elem_sep String getRequestParameter concode_elem_sep void setQueryParams concode_elem_sep void addURLQueryParameter concode_elem_sep void addHTTPHeaderParameter concode_elem_sep String getURLQueryParameter concode_elem_sep void removeURLQueryParameter concode_elem_sep boolean existHTTPParameter concode_elem_sep HeaderProperties getHttpHeaderParams concode_elem_sep String getHTTPParameter concode_elem_sep URLQueryParameter getQueryParams concode_elem_sep String toString concode_elem_sep void setHttpHeaderParams
target: boolean function ( String arg0 ) { return getURLQueryParameter ( arg0 ) != null ; }