import type { GoalState, GoalTodoPlan } from "../domain/types.js";
export type NativeTodoStatus = "pending" | "in_progress" | "completed" | "cancelled";
export interface NativeTodoItem {
    content: string;
    status: NativeTodoStatus;
    priority?: string;
    id?: string;
}
export declare const TODO_MANIFEST_CONTEXT_MAX_CHARS = 8000;
export declare function validGoalTodoPlan(value: unknown): value is GoalTodoPlan;
export declare function normalizeNativeTodos(value: unknown): NativeTodoItem[] | null;
export declare function summarizeTodoPlan(goalRevision: number, todos: NativeTodoItem[], observedAt?: number): GoalTodoPlan;
export declare function observeTodoPlan(goal: GoalState, todos: NativeTodoItem[], observedAt?: number): GoalState;
export declare function todoPlanIsCurrent(goal: GoalState): boolean;
export declare function todoManifestIsCurrent(goal: GoalState): boolean;
export declare function formatTodoPlan(goal: GoalState): string;
export declare function formatTodoManifest(goal: GoalState, maxChars?: number): string;
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