protected java.lang.String METHOD_1 ( java.util.Collection < java.lang.String > list ) throws java.io.IOException , TYPE_1 , TYPE_2 { return VAR_1 . METHOD_2 ( list ) ; } 

protected java.lang.String METHOD_1 ( java.util.Collection < java.lang.String > list ) throws java.io.IOException , TYPE_1 , TYPE_2 { if ( list == null ) return null ; return VAR_1 . METHOD_2 ( list ) ; } 
