public int METHOD_1 ( int node ) { int VAR_1 = VAR_2 . get ( node ) . size ( ) ; int VAR_3 = VAR_4 . get ( node ) . METHOD_2 ( ) ; int VAR_5 = VAR_1 - VAR_3 ; if ( VAR_5 < 0 ) { throw new TYPE_1 ( STRING_1 ) ; } return VAR_5 ; }

public int METHOD_1 ( int node ) { int VAR_1 = VAR_2 . get ( node ) . size ( ) ; int VAR_3 = ( ( VAR_4 . get ( node ) ) == null ) ? 0 : VAR_4 . get ( node ) . METHOD_2 ( ) ; int VAR_5 = VAR_1 - VAR_3 ; if ( VAR_5 < 0 ) { throw new TYPE_1 ( STRING_1 ) ; } return VAR_5 ; }
