public TYPE_1 get ( TYPE_2 key ) { TYPE_3 < TYPE_2 , TYPE_1 > . VAR_1 < TYPE_2 , TYPE_1 > node = METHOD_1 ( VAR_2 , key ) ; return node . value ; } 

public TYPE_1 get ( TYPE_2 key ) { TYPE_3 < TYPE_2 , TYPE_1 > . VAR_1 < TYPE_2 , TYPE_1 > node = METHOD_1 ( VAR_2 , key ) ; if ( node != null ) return node . value ; return null ; } 
