import { StorageInterface, StorageValueType, StorageRecordInterface } from '@drupal-js-sdk/interfaces';

declare class StorageInMemory implements StorageInterface {
    protected data: {
        [key: string]: StorageValueType;
    };
    constructor();
    getString(keyName: string): string | null;
    setString(keyName: string, keyValue: string): void;
    isAvailable(): boolean;
    /**
     * When passed a key name, will return that key's value.
     */
    getItem(keyName: string): StorageValueType;
    /**
     * When passed a key name and value, will add that key to the storage,
     * or update that key's value if it already exists.
     */
    setItem(keyName: string, keyValue: StorageValueType): void;
    /**
     * When passed a key name, will remove that key from the storage.
     */
    removeItem(keyName: string): void;
    /**
     * When invoked, will empty all keys out of the storage.
     */
    clear(): void;
    get(): StorageRecordInterface;
    set(data: StorageRecordInterface): void;
}

type WebStorageInterface = Storage;
declare class StorageInWeb implements StorageInterface {
    private readonly storage;
    constructor(getStorage?: () => WebStorageInterface);
    getString(keyName: string): string | null;
    setString(keyName: string, keyValue: string): void;
    isAvailable(): boolean;
    /**
     * When passed a key name, will return that key's value.
     */
    getItem(keyName: string): StorageValueType;
    /**
     * When passed a key name and value, will add that key to the storage,
     * or update that key's value if it already exists.
     */
    setItem(keyName: string, keyValue: StorageValueType): void;
    /**
     * When passed a key name, will remove that key from the storage.
     */
    removeItem(keyName: string): void;
    /**
     * When invoked, will empty all keys out of the storage.
     */
    clear(): void;
    get(): StorageRecordInterface;
    set(data: StorageRecordInterface): void;
}

export { StorageInMemory, StorageInWeb };