synchronized TYPE_1 METHOD_1 ( ) { <BUG> if ( ! ( VAR_1 . isEmpty ( ) ) ) {</BUG> return TYPE_2 . get ( VAR_1 ) ; <BUG><BUG> }</BUG></BUG> <BUG> else {return null ;</BUG> } }
synchronized TYPE_1 METHOD_1 ( ) { return TYPE_2 . get ( VAR_1 ) ; } 
