The DBMS_REPUTIL package contains subprograms to generate shadow tables, triggers, and packages for table replication, as well as subprograms to generate wrappers for replication of standalone procedure invocations and packaged procedure invocations. This package is referenced only by the generated code.
For a complete description of this package within the context of Replication, see DBMS_REPUTIL in the Oracle Database Advanced Replication Management API Reference.