export declare class AppError extends Error {
    _typename: string;
    inner: AppError | Error | any;
    context?: any;
    constructor(message: string, extra?: {
        inner?: Error | any;
        context?: any;
        stack?: any;
    });
    static fromJSON(json: string): AppError;
    toJSON(): {
        message: string;
        context: any;
        stack: string;
        inner: any;
    };
}
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