import type { EmulatorStatus, StatusContract } from '../contracts/status';
export interface DetectStatusOptions {
    homeDir?: string;
    platform?: string;
}
type NpmGlobalRootSpawnSync = (command: string, args: string[], options: {
    encoding: BufferEncoding;
    timeout: number;
}) => {
    error?: NodeJS.ErrnoException;
    status: number | null;
    stdout: string;
};
export declare function setDetectSpawnSyncForTests(spawnSyncImpl: NpmGlobalRootSpawnSync): void;
export declare function resetDetectSpawnSyncForTests(): void;
export declare function detectEmulatorPrerequisite(homeDir: string | undefined): EmulatorStatus;
export declare function detectStatus(options?: DetectStatusOptions): StatusContract;
export {};