Return the tagged components in this profile (if any)
in the GIOP marshalled form, which is required for Portable
Interceptors. Returns null if either the profile has no
components, or if this type of profile can never contain
Return true if temp is equivalent to this template. Equivalence
means that in some sense an invocation on a profile created by this
template has the same results as an invocation on a profile
created from temp. Equivalence may be weaker than equality.