static ClientAuthentication ofAuthorization(String authorizationScheme, String authorization) {
        requireNonNull(authorizationScheme, "authorizationType");
        requireNonNull(authorization, "authorization");
        return new AnyAuthorizationSchemeClientAuthentication(authorizationScheme, authorization);
    }
Returns a {@link ClientAuthentication} for the OAuth 2.0 requests based on encoded authorization token
and authorization type,
as per <a href="https://datatracker.ietf.org/doc/html/rfc6749#section-2.3">[RFC6749], Section 2.3</a>.

@param authorizationScheme One of the registered HTTP authentication schemes as per
                           <a href="https://www.iana.org/assignments/http-authschemes/http-authschemes.xhtml">
                           HTTP Authentication Scheme Registry</a>.
@param authorization A client authorization token.
oauth2/src/main/java/com/linecorp/armeria/common/auth/oauth2/ClientAuthentication.java