import { History, Location, LocationState } from './index';
import { getConfirmation } from './DOMUtils';

export interface MemoryHistoryBuildOptions {
    getUserConfirmation?: typeof getConfirmation;
    initialEntries?: string[];
    initialIndex?: number;
    keyLength?: number;
}

export interface MemoryHistory<HistoryLocationState = LocationState> extends History<HistoryLocationState> {
    index: number;
    entries: Location<HistoryLocationState>[];
    canGo(n: number): boolean;
}

export default function createMemoryHistory<S = LocationState>(options?: MemoryHistoryBuildOptions): MemoryHistory<S>;