public TYPE_1 METHOD_1 ( TYPE_2 VAR_1 ) { if ( ( VAR_2 . size ( ) ) > 1 ) { VAR_2 . remove ( VAR_1 ) ; } return this ; } 

public TYPE_1 METHOD_1 ( TYPE_2 VAR_1 ) { VAR_2 . remove ( VAR_1 ) ; return this ; } 
