import type { NativeArtifactManifest } from "./artifact-manifest";
export type CommandResult = {
    exitCode: number;
    stdout: string;
    stderr: string;
};
export type CommandRunner = (executable: string, args: readonly string[]) => Promise<CommandResult>;
export type RuntimeDependencies = {
    cacheRoot?: string;
    commandRunner?: CommandRunner;
    download?: (manifest: NativeArtifactManifest, destination: string) => Promise<void>;
    lockPollMs?: number;
    lockTimeoutMs?: number;
    staleLockMs?: number;
};
export declare function defaultCacheRoot(): string;
export declare function runtimeDirectory(cacheRoot: string, manifest: NativeArtifactManifest): string;
export declare function nativeExecutablePath(runtimeDir: string, manifest: NativeArtifactManifest): string;
export declare function pruneObsoleteNativeRuntimes(currentExecutable: string, cacheRoot?: string): Promise<string[]>;
export declare const runCommand: CommandRunner;
export declare function downloadNativeArtifact(manifest: NativeArtifactManifest, destination: string): Promise<void>;
export declare function inspectMachOExecutable(filePath: string): {
    architecture: "arm64";
    minimumMacOSVersion: string;
};
export declare function codeSignatureUsesHardenedRuntime(output: string): boolean;
export declare function verifyNativeApp(appPath: string, manifest: NativeArtifactManifest, runner?: CommandRunner): Promise<void>;
export declare function ensureNativeRuntime(manifest: NativeArtifactManifest, dependencies?: RuntimeDependencies): Promise<string>;