export interface AuthenticationInfo {
    /**
     * Authentication type.
     */
    type: string;
    /**
     * Indicates whether or not the authentication information is valid.
     *
     * @return *true* if the authentication information is valid.
     */
    isValid(): boolean;
    /**
     * Encodes the authentication information as a string.
     *
     * @return encoded authentication information.
     */
    encode(): string;
    /**
     * Returns the username associated with this authentication information.
     *
     * @return username.
     */
    getUsername(): string;
}
export interface AuthenticationProvider {
    /**
     * Generates and returns authentication information.
     *
     * @return authentication information.
     */
    getAuthenticationInfo(): Promise<AuthenticationInfo>;
    /**
     * Resets internal state and releases any associated resources.
     */
    reset(): void;
}
/**
 * Authentication info consisting of a JWT signed using the TEST registration key.
 */
export declare class TESTAuthenticationInfo implements AuthenticationInfo {
    private jwt;
    readonly type: string;
    constructor(jwt: string);
    isValid(): boolean;
    encode(): string;
    getUsername(): string;
}
/**
 * Authentication provider for generating authentication info using a TEST registration key.
 *
 * @param name provider name. This name will be prepended to the generated UUID in JWT sub.
 * @param privateKey PEM encoded RSA private key.
 * @param keyId key ID of the TEST registration key which is obtained from the admin console.
 * @param attributes additional attributes to be added to the issued authentication info.
 */
export declare class TESTAuthenticationProvider implements AuthenticationProvider {
    private name;
    private privateKey;
    private keyId;
    private attributes?;
    readonly testRegistrationIssuer: string;
    readonly testRegistrationAudience: string;
    constructor(name: string, privateKey: string, keyId?: string, attributes?: Record<string, any> | undefined);
    getAuthenticationInfo(): Promise<AuthenticationInfo>;
    reset(): void;
}
/**
 * Authentication info consisting of a JWT signed using the locally stored private key.
 */
export declare class LocalAuthenticationInfo implements AuthenticationInfo {
    private jwt;
    private username;
    readonly type: string;
    constructor(jwt: string, username: string);
    isValid(): boolean;
    encode(): string;
    getUsername(): string;
}
/**
 * Authentication info consisting of a JWT signed using the locally stored private key.
 *
 * @param name provider name. This name will be used to populate JWT iss (issuer).
 * @param privateKey PEM encoded RSA private key.
 * @param keyId key ID.
 * @param username username to be associated with the issued authentication info.
 * @param attributes additional attributes to be added to the issued authentication info.
 */
export declare class LocalAuthenticationProvider implements AuthenticationProvider {
    private name;
    private privateKey;
    private keyId;
    private username;
    private attributes?;
    constructor(name: string, privateKey: string, keyId: string, username: string, attributes?: Record<string, any> | undefined);
    getAuthenticationInfo(): Promise<AuthenticationInfo>;
    reset(): void;
}