/**
 * [WHO]: Task type definitions (Task, TaskStatus)
 * [FROM]: Inspired by Claude Code utils/tasks.ts
 * [TO]: Consumed by task-store.ts, all task-tools
 * [HERE]: extensions/builtin/task/task-types.ts - type definitions for task system
 */
import { type Static } from "@sinclair/typebox";
export declare const TaskStatusValues: readonly ["pending", "in_progress", "completed"];
export type TaskStatus = (typeof TaskStatusValues)[number];
export declare const TaskUpdateStatusValues: readonly ["pending", "in_progress", "completed", "deleted"];
export type TaskUpdateStatus = (typeof TaskUpdateStatusValues)[number];
export declare const TaskSchema: import("@sinclair/typebox").TObject<{
    id: import("@sinclair/typebox").TString;
    subject: import("@sinclair/typebox").TString;
    description: import("@sinclair/typebox").TString;
    activeForm: import("@sinclair/typebox").TOptional<import("@sinclair/typebox").TString>;
    owner: import("@sinclair/typebox").TOptional<import("@sinclair/typebox").TString>;
    status: import("@sinclair/typebox").TUnion<import("@sinclair/typebox").TLiteral<"pending" | "in_progress" | "completed">[]>;
    blocks: import("@sinclair/typebox").TArray<import("@sinclair/typebox").TString>;
    blockedBy: import("@sinclair/typebox").TArray<import("@sinclair/typebox").TString>;
    metadata: import("@sinclair/typebox").TOptional<import("@sinclair/typebox").TRecord<import("@sinclair/typebox").TString, import("@sinclair/typebox").TUnknown>>;
}>;
export type Task = Static<typeof TaskSchema>;
/** Default task list ID for standalone sessions */
export declare const DEFAULT_TASK_LIST_ID = "tasklist";
/**
 * Sanitize a string for safe use in file paths.
 * Only allows alphanumeric characters, hyphens, and underscores.
 */
export declare function sanitizePathComponent(input: string): string;