<BUG>public static TYPE_1 METHOD_1 ( TYPE_2 listener ) {</BUG> if ( ( VAR_1 ) == null ) { <BUG> VAR_1 = new TYPE_1 ( listener ) ;</BUG> } return VAR_1 ; }
public static TYPE_1 METHOD_1 ( ) { if ( ( VAR_1 ) == null ) { VAR_1 = new TYPE_1 ( ) ; } return VAR_1 ; } 
