import { Result } from 'neverthrow';
import { PrTask } from './pr_task.js';
import { PrTaskId } from './pr_task_id.js';
import { PrTaskStatus } from './status.js';
/**
 * 語彙「タスクリスト」
 * domain type: resource
 */
type TaskList = readonly PrTask[];
type UpdateTaskList = (tasks: TaskList, updates: readonly UpdateRequestedTask[]) => Result<TaskList, TaskListError>;
type UpdateRequestedTask = {
    taskId: PrTaskId;
    title?: string;
    description?: string;
    status?: PrTaskStatus;
    dependencies?: PrTaskId[];
};
type TaskListError = {
    type: 'TaskListError';
    message: string;
};
declare const TaskListError: {
    readonly create: (message: string) => TaskListError;
};
export declare const TaskList: {
    readonly updateTaskList: UpdateTaskList;
};
export {};
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