/** One process as `ps` lists it. */
export interface ProcessEntry {
    pid: number;
    command: string;
}
export interface TunnelProcessDeps {
    listProcesses: () => Promise<ProcessEntry[]>;
    kill: (pid: number, signal: NodeJS.Signals) => void;
    isRunning: (pid: number) => boolean;
    sleep: (ms: number) => Promise<void>;
}
export declare function defaultTunnelProcessDeps(): TunnelProcessDeps;
/** The frpc config the server writes for its tunnel in `dataDir`. */
export declare function tunnelConfigPath(dataDir: string): string;
/**
 * True when `command` runs an frpc on exactly `configPath`: another data
 * dir's tunnel (another account, Vana Desktop) never matches.
 */
export declare function isTunnelClientFor(command: string, configPath: string): boolean;
/** Pids of every frpc running on `dataDir`'s tunnel config. */
export declare function findTunnelClients(dataDir: string, deps?: TunnelProcessDeps): Promise<number[]>;
/**
 * Stop every frpc running on `dataDir`'s tunnel config: SIGTERM, then
 * SIGKILL what is left after `timeoutMs`. Returns the pids it stopped. Only
 * call it while no server runs from `dataDir`, or after it exited.
 */
export declare function stopTunnelClients(dataDir: string, deps?: TunnelProcessDeps, timeoutMs?: number): Promise<number[]>;
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