public TYPE_1 METHOD_1 ( TYPE_2 VAR_1 ) { if ( ( ( VAR_1 != ( VAR_2 ) ) && ( VAR_1 != ( VAR_3 ) ) ) || ( VAR_1 != ( VAR_4 ) ) ) { TYPE_3 . error ( STRING_1 ) ; } this . VAR_5 = VAR_1 ; return this ; }

public TYPE_1 METHOD_1 ( TYPE_2 VAR_1 ) { if ( ( ( VAR_1 != ( VAR_2 ) ) && ( VAR_1 != ( VAR_3 ) ) ) && ( VAR_1 != ( VAR_4 ) ) ) { TYPE_3 . error ( STRING_1 ) ; return null ; } this . VAR_5 = VAR_1 ; return this ; }
