import { protoToJsonSchema as ProtoToJsonSchemaFn } from './protoToJsonSchema';
/** Returns the converter if already loaded; otherwise kicks off the
 * (idempotent) background import and returns null. Pair with
 * useProtobufConverterReady() so callers re-resolve once it's ready. */
export declare function getProtoToJsonSchema(): typeof ProtoToJsonSchemaFn | null;
/** Resolves once the converter has finished loading (kicking off the load
 * if needed) — for tests and other non-React callers that need to wait
 * rather than subscribe via useProtobufConverterReady(). */
export declare function waitForProtobufConverter(): Promise<void>;
/** True once the Protobuf converter has finished loading. Include in a
 * useMemo's dependencies wherever resolveSchemaInput might return a pending
 * Protobuf conversion, so it re-resolves (synchronously, from then on) the
 * moment loading completes. */
export declare function useProtobufConverterReady(): boolean;