import { IJsonStore } from '../interfaces/jsonStore';
/**
 * Similar to a SimpleStore except that contents are loaded and saved to/from JSON format for serialization testing
 */
export declare class JsonStore<K extends string | number> implements IJsonStore<K> {
    private _data;
    constructor();
    /**
     * Whether the store has the given key, without respect to its type
     * @param key
     * @returns
     */
    has(key: K): boolean;
    /**
     * Gets the value from the store the key is present or throws an error
     * @param key
     */
    get<V>(key: K): V;
    /**
     * Adds the key and value to the store
     * @param key
     * @param value
     */
    set<V>(key: K, value: V): void;
}
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