/**
 * Parses the frozen master-plan markdown (produced by the master-plan skill)
 * into structured stages and tasks. This is the contract between the skill's
 * output format and diablo's engine, so it is strict: a malformed plan throws
 * rather than silently producing an empty pipeline.
 *
 * Pure (no I/O) so it is unit-tested directly against the skill's exact format:
 *
 *   ### Stage N - Title
 *   [T-00X] - Task title
 *   - Objective: ...
 *   - Target Files: a.ts, b.ts
 *   - Dependency: T-001 , T-002   (or None)
 *   - Acceptance Criterias:
 *     - Criterion 1
 *     - Criterion 2
 */
export interface PlanTask {
    id: string;
    title: string;
    objective: string;
    targetFiles: string[];
    dependencies: string[];
    acceptanceCriteria: string[];
}
export interface PlanStage {
    number: number;
    title: string;
    tasks: PlanTask[];
}
export interface Plan {
    stages: PlanStage[];
}
/**
 * Thrown when the frozen plan markdown does not match the master-plan skill's
 * contract. Carries a `diagnostic` — a specific, actionable description of what
 * was expected and not found — so the run can (a) halt with a message a human
 * can act on, and (b) re-ask the planner with the exact complaint injected,
 * rather than crashing with a generic error after the priciest step has run.
 */
export declare class PlanParseError extends Error {
    readonly diagnostic: string;
    constructor(diagnostic: string);
}
export declare function parsePlan(markdown: string): Plan;