/guava/guava/src/com/google/common/collect/ArrayTable.java
Integer columnIndex = columnKey.get( columnKeyToIndex) ;
Integer columnIndex = columnKeyToIndex.get ( columnKey ) ;
throw new UnsupportedOperationException(); } @CanIgnoreReturnValue @CheckForNull public V erase(@CheckForNull Object rowKey, @CheckForNull Object columnKey) { Integer rowIndex = rowKeyToIndex.get(rowKey); <extra_id_0> if (rowIndex == null || columnIndex == null) { return null; } return set(rowIndex, columnIndex, null); } @Override