@Override
    protected void internalLoad() {
        this.loaded = retrieveMetadata();

        this.clientAuthentication = computeClientAuthentication();

        this.tokenValidator = createTokenValidator();
    }
<p>Constructor for OidcOpMetadataResolver.</p>

@param configuration a {@link OidcConfiguration} object
pac4j-oidc/src/main/java/org/pac4j/oidc/metadata/OidcOpMetadataResolver.java