public TYPE_1 METHOD_1 ( TYPE_2 VAR_1 ) { if ( ( VAR_1 . METHOD_2 ( VAR_2 ) ) != null ) { VAR_3 = true ; } return this ; } 

public TYPE_1 METHOD_1 ( TYPE_2 VAR_1 ) { if ( ! ( VAR_1 . METHOD_2 ( VAR_2 ) . isEmpty ( ) ) ) { VAR_3 = true ; } return this ; } 
