import type { Dispose } from '@zhin.js/plugin-runtime';
import { type GenerationInvalidationPlan, type InvalidationPlan, type ProcessInvalidationPlan } from './invalidation-planner.js';
import type { ModuleRuntime } from './module-runtime.js';
import type { SourceOwnershipIndex } from './source-ownership.js';
export interface HmrReloadPort {
    handlesSource?(source: string): boolean;
    reload(plan: GenerationInvalidationPlan): Promise<ProcessInvalidationPlan | void>;
}
export interface HmrCoordinatorOptions {
    readonly modules: ModuleRuntime;
    readonly ownership: () => SourceOwnershipIndex;
    readonly runtime: HmrReloadPort;
    onRestartRequired(plan: ProcessInvalidationPlan): void | Promise<void>;
    onError(error: unknown): void | Promise<void>;
    onPlan?(plan: InvalidationPlan): void | Promise<void>;
    /** Fires once after a generation transaction commits successfully. */
    onReload?(plan: GenerationInvalidationPlan, durationMs: number): void | Promise<void>;
}
export declare class HmrCoordinator {
    #private;
    private readonly options;
    constructor(options: HmrCoordinatorOptions);
    start(): Dispose;
    stop(): Promise<void>;
    enqueue(source: string): Promise<void>;
}