question: create a server that registers the declaredservlet class . concode_field_sep PlaceHolder placeHolder concode_field_sep placeholderType placeHolder
target: Server function ( String arg0 , Class < ? extends Servlet > arg1 ) { if ( arg0 == null ) { throw new IllegalArgumentException ( "srini_string" ) ; } return create ( URI . create ( arg0 ) , arg1 ) ; }