Builds a scope's branch only if it is not there.
Rebuilding a branch that exists would invalidate every certificate under it, which a product-mode restart must not do.
a realm id or PROCESS_SCOPE
PROCESS_SCOPE
the build options
a promise of the existing branch's or the build's answer
Builds a scope's branch only if it is not there.
Rebuilding a branch that exists would invalidate every certificate under it, which a product-mode restart must not do.