import type { RuntimeKind } from './types.js';
export declare function extractRuntimeArchive(params: {
    runtime: RuntimeKind;
    archivePath: string;
    archiveType: 'zip' | 'tar.gz';
    stagingDir: string;
}): Promise<string>;
export declare function atomicInstallRuntime(extractedRoot: string, installDir: string): Promise<void>;