HashLocationStrategy

class HashLocationStrategy {
  onPopState(fn: LocationChangeListener): void;  getBaseHref(): string;  path(includeHash?: boolean): string;  prepareExternalUrl(internal: string): string;  pushState(state: any, title: string, path: string, queryParams: string): void;  replaceState(state: any, title: string, path: string, queryParams: string): void;  forward(): void;  back(): void;  getState(): unknown;  historyGo(relativePosition?: number): void;
}