ACL is a mapping between a given principal and the credentials for services it will gain access to.

ConfigFile represents the config file that will be loaded from disk, or some other mechanism.

Credential represents any remote credential that the connector can give out.

InMemory is only used in testing.

SpiffeConfig represents the SPIFFE configuration section of spiffe-connector's config file.

SVIDSources determines where spiffe-connector will obtain its own SVID and trust domain information.