public GrantedOAuth2AccessTokenBuilder scope(String... scope) {
        this.scope.add(requireNonNull(scope, "scope"));
        return this;
    }
{@value OAuth2Constants#SCOPE} Access Token Response field,
OPTIONAL. An array of individual scope values.
oauth2/src/main/java/com/linecorp/armeria/common/auth/oauth2/GrantedOAuth2AccessTokenBuilder.java