import { type ReactNode } from "react";
import type { BlockRegistry } from "./registry.js";
import type { BlockRenderContext } from "./types.js";
/**
 * React provision for the block registry. The registry itself is a per-app
 * module singleton (so the server MDX serializer/parser and the agent schema
 * export can import it outside React); this thin context threads that singleton
 * plus the runtime {@link BlockRenderContext} (asset resolver, action caller,
 * inline markdown editor, …) into the renderer, and lets tests swap registries.
 */
interface BlockRegistryValue {
    registry: BlockRegistry;
    ctx: BlockRenderContext;
}
export declare function BlockRegistryProvider({ registry, ctx, children, }: {
    registry: BlockRegistry;
    ctx: BlockRenderContext;
    children: ReactNode;
}): import("react").JSX.Element;
/** Read the active registry + render context. Throws outside a provider. */
export declare function useBlockRegistry(): BlockRegistryValue;
/** Read the active registry + render context, or `null` outside a provider. */
export declare function useOptionalBlockRegistry(): BlockRegistryValue | null;
export {};
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