import "../_dnt.polyfills.js";
import * as $ from "../deps/scale.js";
import { AnyCodec } from "../deps/scale.js";
import { Ty } from "./raw/Ty.js";
/**
 * All derived codecs for ZSTs will use this exact codec,
 * so `derivedCodec === $null` is true iff the type is a ZST.
 */
export declare const $null: $.Codec<null, null>;
export interface ScaleInfo {
    ids: AnyCodec[];
    types: Record<string, AnyCodec>;
    paths: Record<string, AnyCodec>;
}
export declare function transformTys(tys: Ty[]): ScaleInfo;