import { spawnSync } from "node:child_process";
import { type EngineProfilesConfig } from "@ai-kod/config";
import { type Redis, type RedisOptions } from "ioredis";
import type { EngineSpec, ExternalSetupConfig, PreflightResult } from "./types.js";
interface CommandDescriptor {
    name: string;
    command: string;
    args: string[];
    required: boolean;
}
interface PreflightCheckerDependencies {
    spawnSync?: typeof spawnSync;
    redisFactory?: (options: RedisOptions) => Redis;
}
export declare class PreflightChecker {
    private readonly commands;
    private readonly runCommand;
    private readonly createRedisClient;
    private readonly spawnPtyRef;
    private readonly ptyLoadError?;
    constructor(commands?: CommandDescriptor[], dependencies?: PreflightCheckerDependencies);
    run(config?: ExternalSetupConfig, options?: {
        engineProfiles?: EngineProfilesConfig;
        extraEngines?: EngineSpec[];
        engineRootDir?: string;
        dryRun?: boolean;
        autoInstall?: boolean;
    }): Promise<PreflightResult>;
    private installDependency;
    private checkNodeVersion;
    private checkCommand;
    private checkRedis;
    private collectEngineDiagnostics;
    private checkCommandWithAliasFallback;
    private isMissingBinary;
    private resolveShellAlias;
    private runShellProbe;
    private parseAliasReference;
    private extractAliasCommand;
    private normalizeAliasCommand;
    private stripQuotes;
    private stripShellArtifacts;
    private getShellPath;
    private canProbeAliases;
    private describeEnvFiles;
    private resolveEnvPath;
    private extractEnvFileKeys;
}
export {};