export interface EmulatorBridge {
    port: number;
    token: string;
    avdName?: string;
}
export type BridgeFailureReason = "not-emulator" | "unsupported-host" | "no-discovery-file" | "no-grpc-keys";
export type BridgeResolution = {
    ok: true;
    bridge: EmulatorBridge;
} | {
    ok: false;
    reason: BridgeFailureReason;
    message: string;
};
export declare function emulatorRunningDir(platform?: NodeJS.Platform, home?: string): string | null;
export declare function resolveEmulatorBridge(serial: string, runningDir?: string): Promise<BridgeResolution>;
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