Reference for unit 'contnrs': Types

`PBucket`		Pointer to TBucket" type.
`PHashItem`		Pointer to THashItem
`PHashItemList`		Pointer to THashItemList array
`PHashTable`		Pointer to THashTable array.
`TBucket`		Bucket record
`TBucketArray`		Array of TBucket records.
`TBucketItem`		Record used in bucket list.
`TBucketItemArray`		Array of `TBucketItem` records
`TBucketListSizes`		Enumerated type to indicate bucket list size
`TBucketProc`		Callback for the ForEach call.
`TBucketProcObject`		Callback for the ForEach call.
`TDataIteratorMethod`		Data iterator method.
`THashFunction`		Hash calculation function.
`THashItem`		Record used to maintain an item in the hash list
`THashItemList`		array of THashItem records.
`THashTable`		Array of hash values
`THTCustomNodeClass`		Class of THTCustomNodeClass.
`THTNode`		Alias for `THTDataNode`
`TIteratorMethod`		Iterator prototype for TFPHashTable
`TObjectIteratorMethod`		iterate callback prototype.
`TObjectListCallback`		Method callback type for TFPObjectList.ForEachCall
`TObjectListStaticCallback`		Plan procedure callback type for TFPObjectList.ForEachCall
`TStringIteratorMethod`		Iterator callback type