public static < TYPE_1 , TYPE_2 > java.util.Map < TYPE_2 , TYPE_1 > METHOD_1 ( java.util.Map < TYPE_1 , TYPE_2 > VAR_1 ) { return TYPE_3 . METHOD_1 ( VAR_1 ) ; } 

public static < TYPE_1 , TYPE_2 > java.util.Map < TYPE_2 , TYPE_1 > METHOD_1 ( java.util.Map < TYPE_1 , TYPE_2 > VAR_1 ) { return null == VAR_1 ? null : TYPE_3 . METHOD_1 ( VAR_1 ) ; } 
