/guava/guava/src/com/google/common/collect/StandardTable.java
backingMap.clear( ) ;updateBackingRowMapField( ) ;
updateBackingRowMapField ( ) ;
updateBackingRowMapField(); return (key != null && backingRowMap != null) && Maps.safeContainsKey(backingRowMap, key); } @Override @CheckForNull public V get(@CheckForNull Object key) { <extra_id_0> return (key != null && backingRowMap != null) ? Maps.safeGet(backingRowMap, key) : null; } @Override @CheckForNull public V put(C key, V value) { checkNotNull(key);