/guava/android/guava/src/com/google/common/collect/StandardTable.java
return containsValue( key) ;
return containsColumn ( key ) ;
@CheckForNull public Map<R, V> get(@CheckForNull Object key) { return containsColumn(key) ? column((C) requireNonNull(key)) : null; } @Override public boolean containsKey(@CheckForNull Object key) { <extra_id_0> } @Override @CheckForNull public Map<R, V> remove(@CheckForNull Object key) { return containsColumn(key) ? removeColumn(key) : null; }