export interface CapabilityRuntime {
    call(capability: string, args: unknown[]): Promise<unknown>;
    callSupported(capability: string, args: unknown[], fallbackCapability?: string, fallbackArgs?: unknown[]): Promise<unknown>;
    subscribe?(capability: string, args: unknown[], onEvent: (data: unknown) => void): () => void;
}
export declare type VersionedDomain<T> = T & {
    readonly v1: T;
};
/** Expose latest methods at the root while preserving explicit `.v1` pins. */
export declare function createVersionedDomain<T extends object>(v1: T): VersionedDomain<T>;