deferred class RECURSIVE_CURSOR_TREE [G] Ancestors CURSOR_TREE* [G] Descendants LINKED_CURSOR_TREE [G] TWO_WAY_CURSOR_TREE [G] Clients RECURSIVE_CURSOR_TREE* [G] Suppliers BOOLEAN DYNAMIC_TREE* [G] INTEGER_32 RECURSIVE_CURSOR_TREE* [G] RECURSIVE_TREE_CURSOR [G]