public < TYPE_1 extends TYPE_2 > TYPE_3 < TYPE_1 > METHOD_1 ( TYPE_3 < TYPE_1 > VAR_1 ) { <BUG> for ( TYPE_1 VAR_2 : VAR_1 ) {VAR_3 . METHOD_2 ( VAR_2 ) ;}</BUG> return VAR_1 ; }
public < TYPE_1 extends TYPE_2 > TYPE_3 < TYPE_1 > METHOD_1 ( TYPE_3 < TYPE_1 > VAR_1 ) { VAR_3 . METHOD_2 ( VAR_1 ) ; return VAR_1 ; } 
