import * as core from '../core';
/**
 * The base every model must inherit from.
 *
 * **https://fnx.js.org/docs/api/Model.html**
 */
export declare abstract class Model<Root extends object> {
    /**
     * Creates a new state tree with the given intial value.
     *
     * **https://fnx.js.org/docs/api/Model.html**
     *
     * @param initialState The initial value of the state tree.
     */
    constructor(snapshot: Root);
    protected getRoot?(): Root;
    applySnapshot?(snapshot: string): boolean;
    applySnapshot?(snapshot: object, options?: {
        asJSON: true;
    }): boolean;
    getSnapshot?(): any;
    getSnapshot?(options: {
        asString: true;
    }): string;
    getSnapshot?(options: {
        asJSON: true;
    }): any;
    applyDiffs?(diffs: core.Diff[]): boolean;
    use?(middleware: core.Middleware): core.Disposable;
}