import { type ReactNode } from "react";
/**
 * A display-only fence between the routed workspace and mutable console state.
 * Server grants remain the authority. This boundary only prevents a newly
 * routed workspace from rendering with the previous workspace's cached UI
 * state while the provider clears that state.
 */
export declare function WorkspaceTenantBoundary(props: {
    workspaceId: string;
    stateOwnerWorkspaceId: string | null;
    prepareTransition: (workspaceId: string) => void;
    children: ReactNode;
}): string | number | bigint | boolean | import("react").JSX.Element | Iterable<ReactNode> | Promise<string | number | bigint | boolean | Iterable<ReactNode> | import("react").ReactElement<unknown, string | import("react").JSXElementConstructor<any>> | import("react").ReactPortal | null | undefined> | null | undefined;