import type { MessagePort, Worker } from 'node:worker_threads';
import type { Envelope } from '@cucumber/messages';
import type { ISupportCodeCoordinates } from '../../api';
import type { AssembledTestCase } from '../../assemble';
import type { FormatOptions } from '../../formatter';
import type { CanonicalSupportCodeIds } from '../../support_code_library_builder/types';
import type { RuntimeOptions } from '../types';
export type ManagedWorker = {
    id: string;
    workerThread: Worker;
    port: MessagePort;
    ready: boolean;
};
export type WorkerData = {
    cwd: string;
    testRunStartedId: string;
    supportCodeCoordinates: ISupportCodeCoordinates;
    supportCodeIds: CanonicalSupportCodeIds;
    options: RuntimeOptions;
    snippetOptions: Pick<FormatOptions, 'snippetInterface' | 'snippetSyntax'>;
    port: MessagePort;
};
export type RunBeforeAllHooksCommand = {
    type: 'BEFOREALL_HOOKS';
};
export type RunTestCaseCommand = {
    type: 'TEST_CASE';
    assembledTestCase: AssembledTestCase;
    failing: boolean;
};
export type RunAfterAllHooksCommand = {
    type: 'AFTERALL_HOOKS';
};
export type WorkerCommand = RunBeforeAllHooksCommand | RunTestCaseCommand | RunAfterAllHooksCommand;
export type ReadyEvent = {
    type: 'READY';
};
export type EnvelopeEvent = {
    type: 'ENVELOPE';
    envelope: Envelope;
};
export type FinishedEvent = {
    type: 'FINISHED';
    success: boolean;
};
export type WorkerEvent = ReadyEvent | EnvelopeEvent | FinishedEvent;
export interface Phase<T extends WorkerCommand = WorkerCommand> {
    fill: () => T | undefined;
    next: (command: T, event: FinishedEvent) => T | undefined;
    reject: (reason: unknown) => void;
}