Return the peeled OID target of this reference.
This peeled OID only applies to direct references that point to a hard Tag object: it is the result of peeling such Tag.
@param ref_ The reference @return a pointer to the oid if available, null otherwise
See Implementation
Return the peeled OID target of this reference.
This peeled OID only applies to direct references that point to a hard Tag object: it is the result of peeling such Tag.
@param ref_ The reference @return a pointer to the oid if available, null otherwise