type MppModuleName = 'mppx/client' | 'viem/accounts';
type ModuleLoader = (name: MppModuleName) => Promise<Record<string, unknown>>;
declare function isRecord(value: unknown): value is Record<string, unknown>;
declare function isCallable(value: unknown): value is (...args: readonly unknown[]) => unknown;
declare function createModuleLoader(): ModuleLoader;
declare function initMpp(tempoSigningKey: string, loadModule?: ModuleLoader): Promise<void>;
export { createModuleLoader, initMpp, isCallable, isRecord };
export type { ModuleLoader };