/guava/android/guava/src/com/google/common/collect/StandardTable.java
if ( backingRowMap != null && !backingRowMap.isEmpty ( ) ) { return backingRowMap.put ( key, value ) ; }
} @Override @CheckForNull public V put(C key, V value) { checkNotNull(key); checkNotNull(value); <extra_id_0> return StandardTable.this.put(rowKey, key, value); } @Override @CheckForNull public V remove(@CheckForNull Object key) { updateBackingRowMapField();