export interface RunCaptureOptions {
    env?: NodeJS.ProcessEnv;
    timeout?: number;
}
export interface RunCaptureResult {
    status: number | null;
    stdout: string;
    stderr: string;
    error?: Error;
    signal?: NodeJS.Signals | null;
}
export interface AppSmokeDeps {
    platform: NodeJS.Platform;
    arch: NodeJS.Architecture;
    env: NodeJS.ProcessEnv;
    homeDir: string;
    exists: (path: string) => boolean;
    readFile: (path: string) => string;
    runCapture: (command: string, args: string[], options?: RunCaptureOptions) => RunCaptureResult;
    log: (line: string) => void;
    error: (line: string) => void;
}
export declare function createDefaultAppSmokeDeps(): AppSmokeDeps;
export declare function runAppSmokeCommand(args: string[], deps: AppSmokeDeps): Promise<number>;
export declare function appSmokeUsage(): string;
export declare class HelpRequested extends Error {
    constructor();
}
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