import { SubstrateProtocolConfiguration } from '../../types/configuration';
import { MetadataDecorator } from './decorator/MetadataDecorator';
import { MetadataVersioned } from './MetadataVersioned';
export declare class Metadata {
    readonly versioned: MetadataVersioned;
    static decode<C extends SubstrateProtocolConfiguration>(configuration: C, runtimeVersion: number | undefined, raw: string): Metadata;
    private static assertMagicNumber;
    private constructor();
    decorate(supportedStorageEntries: Object, supportedCalls: Object, supportedConstants: Object): MetadataDecorator;
}