export type HostPlatform = 'win32' | 'darwin' | 'linux';
export declare function hostPlatform(): HostPlatform;
export declare function isWayland(): boolean;
export interface RunResult {
    code: number;
    signal: NodeJS.Signals | null;
    stdout: string;
    stderr: string;
    spawnFailed: boolean;
    spawnError: string;
}
export interface RunOptions {
    stdin?: string | Buffer | null;
    timeoutMs?: number;
    cwd?: string;
    binaryStdout?: boolean;
    inheritEnv?: boolean;
    env?: Record<string, string>;
}
export declare function runCommand(cmd: string, args: string[], opts?: RunOptions): Promise<RunResult>;
export declare function runPowerShell(script: string, opts?: RunOptions): Promise<RunResult>;
export declare function runOsascript(script: string, opts?: RunOptions): Promise<RunResult>;
export declare function makeTempDir(prefix: string): string;
export declare function findBinary(candidates: string[]): Promise<string | null>;