import type { Class } from '@matrixai/errors';
import { AbstractError } from '@matrixai/errors';
declare class ErrorPolykey<T> extends AbstractError<T> {
    static description: string;
    exitCode: number;
    static fromJSON<T extends Class<any>>(this: T, json: any): InstanceType<T>;
    toJSON(): any;
    toString(): string;
}
export default ErrorPolykey;