SYS.DBMS_REGISTRY dependencies on REGISTRY$

Line 4: release_version CONSTANT registry$.version%type := '12.1.0.2.0';

1: PACKAGE dbms_registry AS
2:
3: -- CONSTANTS
4: release_version CONSTANT registry$.version%type := '12.1.0.2.0';
5: release_status CONSTANT VARCHAR2(30) := 'Production';
6:
7: -- Component Hierarchy Type and CONSTANTS
8: TYPE comp_list_t IS TABLE OF VARCHAR2(30) INDEX BY BINARY_INTEGER;