import { Result } from 'neverthrow';
import { PrTask } from './pr_task.js';
import { AcceptanceCriterion } from './acceptance_criterion.js';
type UpdateProgress = (task: PrTask, updates: ProgressUpdateRequest) => Result<ProgressUpdateResult, ProgressError[]>;
type EvaluateCompletion = (criteria: readonly AcceptanceCriterion[]) => ProgressSummary;
export type ProgressUpdateRequest = {
    readonly criteriaUpdates: readonly CriteriaUpdate[];
};
export type CriteriaUpdate = {
    readonly id: string;
    readonly completed: boolean;
};
export type ProgressUpdateResult = {
    readonly updatedTask: PrTask;
    readonly progress: ProgressSummary;
};
export type ProgressSummary = {
    readonly completed: number;
    readonly total: number;
    readonly percentage: number;
    readonly allCompleted: boolean;
};
export type ProgressError = {
    readonly type: 'InvalidStatus' | 'CriteriaNotFound' | 'NotAssigned';
    readonly message: string;
};
export declare const Progress: {
    readonly update: UpdateProgress;
    readonly evaluateCompletion: EvaluateCompletion;
    readonly toError: (type: ProgressError["type"], message: string) => ProgressError;
};
export {};
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