import { z } from "zod";
export declare const TODO_ITEMS_STATE_KEY = "todo.items";
export declare const TODO_VISIBLE_STATE_KEY = "todo.visible";
export declare const TodoStatusSchema: z.ZodEnum<{
    pending: "pending";
    completed: "completed";
    in_progress: "in_progress";
}>;
export declare const TodoItemSchema: z.ZodObject<{
    content: z.ZodString;
    status: z.ZodEnum<{
        pending: "pending";
        completed: "completed";
        in_progress: "in_progress";
    }>;
    activeForm: z.ZodString;
}, z.core.$strip>;
export type TodoStatus = z.infer<typeof TodoStatusSchema>;
export type TodoItem = z.infer<typeof TodoItemSchema>;
type AppStateLike = {
    get<T = unknown>(key: string): T;
    set(key: string, value: unknown): void;
};
type AgentLike = {
    appState: AppStateLike;
};
export type TodoViewState = {
    visible: boolean;
    todos: TodoItem[];
    total: number;
    pending: number;
    ongoing: number;
    completed: number;
};
export declare function summarizeTodos(todos: TodoItem[]): Omit<TodoViewState, "visible" | "todos">;
export declare function getTodoViewState(agent: AgentLike): TodoViewState;
export declare function setTodoState(agent: AgentLike, todos: TodoItem[]): void;
export declare function clearTodoState(agent: AgentLike): void;
export {};