import { Maybe } from "../util/maybe.js";
import { URL } from "../util/url.js";
export type Query = {
    Scheme: string;
    Location: string;
    Version: string;
    toString(): string;
};
export declare namespace Query {
    const toString: (q: Query) => string;
    const toURL: (q: Query) => URL;
}
/**
 * Parses a query in the format [proto://]host/path[#major][@version].
 * Omitted protocol specifiers are parsed as [git://] schemes.
 */
export declare function ParseQuery(query: string, configPath?: string): Maybe<Query>;
/** Checks if a query belongs to any registered registry. If it exists, returns its checksum
 * @param query Query string
 * @returns Maybe selector string
 */
export declare function BelongsToRegistry(query: string, configPath?: string): Maybe<string>;