/**
 * @property {string} message the error message
 * @property {string} name the error name (generally the same as the error class)
 * @property {string} stack the stack trace associated with this error
 * @property {Object} content additional properties assigned to the error to aid in debugging
 */
declare class ErrorMixin extends Error {
    message: string;
    name: string;
    content: object;
    stack?: string;
    /**
     * @param {Object|string} content the content to add to the error
     * @param {string} content.message if content is an object, it should include a property message
     */
    constructor(content: any);
    /**
     * @return {Object} the JSON representation of this error
     */
    toJSON(): any;
}
declare class ParsingError extends ErrorMixin {
}
declare class InputValidationError extends ErrorMixin {
}
declare class NotImplementedError extends ErrorMixin {
}
export { ErrorMixin, InputValidationError, NotImplementedError, ParsingError, };