/**
 * Class representing an error that no key could been found
 */
export declare class NoKeyFoundError extends Error {
    /** Constructor for creating a new no key found error */
    constructor();
}
/**
 * Class representing an error that occured while parsing the keyserver's html
 */
export declare class ParseError extends Error {
    /** Constructor for creating a new parse error */
    constructor(attribute?: string);
}