public TYPE_1 METHOD_1 ( ) { if ( ( VAR_1 . size ( ) ) == 0 ) { return null ; } return VAR_1 . iterator ( ) . METHOD_2 ( ) ; } 

public TYPE_1 METHOD_1 ( ) { if ( ( ( VAR_1 ) == null ) || ( VAR_1 . isEmpty ( ) ) ) { return null ; } return VAR_1 . iterator ( ) . METHOD_2 ( ) ; } 
