public TYPE_1 METHOD_1 ( boolean VAR_1 ) { if ( ( this . VAR_2 ) != null ) { throw new TYPE_2 ( STRING_1 ) ; } this . VAR_1 = VAR_1 ; return this ; } 

public TYPE_1 METHOD_1 ( boolean VAR_1 ) { this . VAR_1 = VAR_1 ; return this ; } 
