BuildHTTPClient returns a instramented HTTP client to be used by the ACME client.

NewClient will return a new ACME client.

NewDefaultRegistry returns a new default instantiation of a client registry.

ErrNotFound is returned by GetClient if there is no ACME client registered.

Getter is an interface that contains the read-only methods for a registry.

A registry provides a means to store and access ACME clients using an issuer objects UID.