export declare class ScopeSet {
    /**
     * Check if there are dup scopes in a given request
     *
     * @param cachedScopes
     * @param scopes
     */
    static isIntersectingScopes(cachedScopes: Array<string>, scopes: Array<string>): boolean;
    /**
     * Check if a given scope is present in the request
     *
     * @param cachedScopes
     * @param scopes
     */
    static containsScope(cachedScopes: Array<string>, scopes: Array<string>): boolean;
    /**
     * toLower
     *
     * @param scopes
     */
    static convertToLowerCase(scopes: Array<string>): Array<string>;
    /**
     * remove one element from a scope array
     *
     * @param scopes
     * @param scope
     */
    static removeElement(scopes: Array<string>, scope: string): Array<string>;
    /**
     * Parse the scopes into a formatted scopeList
     * @param scopes
     */
    static parseScope(scopes: Array<string>): string;
    /**
     * @hidden
     *
     * Used to validate the scopes input parameter requested  by the developer.
     * @param {Array<string>} scopes - Developer requested permissions. Not all scopes are guaranteed to be included in the access token returned.
     * @param {boolean} scopesRequired - Boolean indicating whether the scopes array is required or not
     * @ignore
     */
    static validateInputScope(scopes: Array<string>, scopesRequired: boolean, clientId: string): void;
    /**
     * @hidden
     *
     * Extracts scope value from the state sent with the authentication request.
     * @param {string} state
     * @returns {string} scope.
     * @ignore
     */
    static getScopeFromState(state: string): string;
    /**
     * @ignore
     * Appends extraScopesToConsent if passed
     * @param {@link AuthenticationParameters}
     */
    static appendScopes(reqScopes: Array<string>, reqExtraScopesToConsent: Array<string>): Array<string>;
}