export declare class JsonResource {
    [property: string]: any;
    protected hidden: string[];
    protected fillable: string[];
    protected attributes: any;
    constructor(attributes: object);
    protected fill(attributes: any): void;
    protected isAttribute(key: string): boolean;
    protected getAttribute(key: string): any;
    protected setAttribute(key: string, value: any): void;
    protected getHidden(): string[];
    protected setHidden(keys: string[]): void;
    protected getFillable(): string[];
    protected setFillable(keys: string[]): void;
    toJSON(): any;
}