/guava/android/guava/src/com/google/common/collect/CompactHashMap.java
requireValues( ) ) ; requireKeys( ) ,
requireKeys ( ) , requireValues ( ) ) ;
CompactHashing.remove( entry.getKey(), entry.getValue(), mask, requireTable(), requireEntries(), <extra_id_0> if (index == -1) { return false; } moveLastEntry(index, mask); size--; incrementModCount();