public java.lang.String METHOD_1 ( java.lang.String operation ) throws java.lang.NullPointerException { if ( operation == null ) { METHOD_2 ( VAR_1 ) ; } return METHOD_3 ( METHOD_4 ( STRING_1 , operation ) ) ; } 

public java.lang.String METHOD_1 ( java.lang.String operation ) throws java.lang.NullPointerException { if ( operation == null ) { METHOD_2 ( VAR_1 ) ; } return METHOD_4 ( STRING_1 , operation ) ; } 
