import { Metadata } from '@polkadot/types';
import { TypeRegistry } from '@polkadot/types';
import { MetadataVersioned } from '@polkadot/types/metadata/MetadataVersioned';
import memoizee from 'memoizee';
/**
 * From a metadata hex string (for example returned by RPC), create a Metadata
 * class instance. Metadata decoding is expensive, so this function is
 * memoized.
 *
 * @ignore
 * @param registry - The registry of the metadata.
 * @param metadata - The metadata as hex string.
 * @param asCallsOnlyArg - Option to decreases the metadata to calls only
 */
export declare function createMetadataUnmemoized(registry: TypeRegistry, metadataRpc: `0x${string}`, asCallsOnlyArg?: boolean, asSpecifiedCallsOnlyV14?: string[]): Metadata | MetadataVersioned;
/**
 * From a metadata hex string (for example returned by RPC), create a Metadata
 * class instance. Metadata decoding is expensive, so this function is
 * memoized.
 *
 * @ignore
 * @param registry - The registry of the metadata.
 * @param metadata - The metadata as hex string.
 * @param asCallsOnlyArg - Option to decreases the metadata to calls only
 */
export declare const createMetadata: typeof createMetadataUnmemoized & memoizee.Memoized<typeof createMetadataUnmemoized>;