import { Observable } from 'rxjs';
import { TodoVM } from '../viewmodel/todos.viewmodel';
export declare abstract class TodoPresenter {
    abstract todos$: Observable<TodoVM[]>;
    abstract activeTodosCount$: Observable<number>;
    abstract filter$: Observable<string>;
    abstract getAllTodos(): void;
    abstract getCompletedTodos(): void;
    abstract getActiveTodos(): void;
    abstract addTodo(name: string): void;
    abstract markTodoAsCompleted(id: string): void;
    abstract markTodoAsActive(id: string): void;
    abstract markAllTodosAsCompleted(): void;
    abstract markAllTodosAsActive(): void;
    abstract removeTodo(id: string): void;
    abstract removeCompletedTodos(): void;
}