import type { ToolDefinition } from "../tools/types.js";
export type TodoStatus = "pending" | "in_progress" | "completed" | "blocked";
export type TodoPriority = "critical" | "high" | "medium" | "low";
export interface Todo {
    id: string;
    content: string;
    activeForm?: string;
    status: TodoStatus;
    priority: TodoPriority;
    subtasks?: Todo[];
    updatedAt: number;
    agentName?: string;
}
export interface TodoState {
    todos: Todo[];
    lastUpdated: number;
    sessionId?: string;
}
export declare class TodoModule {
    private state;
    private listeners;
    constructor(sessionId?: string);
    write(todos: Todo[]): void;
    getState(): TodoState;
    updateStatus(id: string, status: TodoStatus): boolean;
    getActive(): Todo[];
    getCurrentFocus(): Todo | undefined;
    isComplete(): boolean;
    onChange(callback: (state: TodoState) => void): () => void;
    private notify;
    getTools(): ToolDefinition[];
    private createWriteTool;
    private createReadTool;
    toJSON(): TodoState;
    static fromJSON(json: TodoState): TodoModule;
    toContextString(): string;
}
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