type Model = object | Function | { new(): object }
type Prepared = (...args: any[]) => (state?: Model) => HTMLElement

export function html(strings: TemplateStringsArray, ...keys: any[]): HTMLElement
export function render(strings: TemplateStringsArray, ...keys: any[]): HTMLElement
export function merge(selector: string, prepared: Prepared, state?: Model): string | void
export function prepare(template: Function, state?: Model): Prepared