import * as v from "valibot";
import { type CustomBlockManifest } from "./manifest.js";
export declare const customBlockReadyErrorCodeSchema: v.StringSchema<undefined>;
export type CustomBlockReadyErrorCode = "manifest_unavailable" | "manifest_invalid" | (string & {});
export declare const customBlockReadyErrorSchema: v.ObjectSchema<{
    readonly code: v.StringSchema<undefined>;
    readonly message: v.StringSchema<undefined>;
}, undefined>;
export type CustomBlockReadyError = v.InferOutput<typeof customBlockReadyErrorSchema>;
export type ManifestLoadResult = {
    manifest: CustomBlockManifest | null;
    error?: undefined;
} | {
    manifest: null;
    error: CustomBlockReadyError;
};
/**
 * Attempts to load a `custom_blocks.json` manifest co-located with the bundle.
 * A missing manifest means the block has no declared data requirements.
 * Other failures return a structured error so the host can reject the manifest.
 * The SDK validates the manifest locally for author feedback; the host still
 * validates the ready message as the iframe trust boundary.
 */
export declare function loadManifest(): Promise<ManifestLoadResult>;
//# sourceMappingURL=loadManifest.d.ts.map