Default early header mutation extension (proto)
This extension has the qualified name
This extension is functional but has not had substantial production burn time, use only with this caveat.
This extension is intended to be robust against both untrusted downstream and upstream traffic.
This extension extends and can be used with the following extension category:
This extension must be configured with one of the following type URLs:
This extension allows for early header mutation by the substitution formatter.
(repeated config.common.mutation_rules.v3.HeaderMutation, REQUIRED)