/**
 * Represents an URL.
 */
export interface URL {
    /**
     * Gets the serialization of url.
     */
    readonly href: string;
    /**
     * Gets the serialization of url's origin.
     */
    readonly origin: string;
    /**
     * Gets or sets the url's scheme, followed by `":"`.
     */
    protocol: string;
    /**
     * Gets or sets the url's username.
     */
    username: string;
    /**
     * Gets or sets the url's password.
     */
    password: string;
    /**
     * Gets or sets the url's host.
     */
    host: string;
    /**
     * Gets or sets the url's hostname.
     */
    hostname: string;
    /**
     * Gets or sets the url's port.
     */
    port: string;
    /**
     * Gets or sets the url's path name.
     */
    pathname: string;
    /**
     * Gets or sets the url's query string.
     */
    search: string;
    /**
     * Gets the url's query parameters.
     */
    readonly searchParams: URLSearchParams;
    /**
     * Gets or sets the url's hash.
     */
    hash: string;
    /**
     * Returns the serialization of url.
     */
    toJSON(): string;
    _url: URLRecord;
    _queryObject: URLSearchParams;
}
/**
 * Represents an URL record.
 */
export interface URLRecord {
    /**
     * The type of URL
     */
    scheme: string;
    /**
     * Username
     */
    username: string;
    /**
     * Password
     */
    password: string;
    /**
     * Host
     */
    host: Host | null;
    /**
     * Port
     */
    port: number | null;
    /**
     * Path
     */
    path: string[];
    /**
     * Query string
     */
    query: string | null;
    /**
     * Fragment
     */
    fragment: string | null;
    _cannotBeABaseURLFlag: boolean;
    _blobURLEntry: any | null;
}
/**
 * Represents URL query parameters.
 */
export interface URLSearchParams extends Iterable<[string, string]> {
    /**
     * Appends a new name/value pair to the query parameters.
     *
     * @param name - query string name
     * @param value - query string value
     */
    append(name: string, value: string): void;
    /**
     * Removes all query parameters with the given name.
     *
     * @param name - query string name
     */
    delete(name: string): void;
    /**
     * Gets the value of the first query parameter with the given name.
     *
     * @param name - query string name
     */
    get(name: string): string | null;
    /**
     * Gets the values of all query parameters with the given name.
     *
     * @param name - query string name
     */
    getAll(name: string): string[];
    /**
     * Determines whether a query parameter with the given name exists.
     *
     * @param name - query string name
     */
    has(name: string): boolean;
    /**
     * Replaces all query parameter with the given name with the given value.
     *
     * @param name - query string name
     * @param value - query string value
     */
    set(name: string, value: string): void;
    /**
     * Sorts all query parameters with their name.
     */
    sort(): void;
    /**
     * Converts query parameters to a string.
     */
    toString(): string;
    _list: [string, string][];
    _urlObject: URL | null;
}
/**
 * Represents the state of the URL parser.
 */
export declare enum ParserState {
    SchemeStart = 0,
    Scheme = 1,
    NoScheme = 2,
    SpecialRelativeOrAuthority = 3,
    PathOrAuthority = 4,
    Relative = 5,
    RelativeSlash = 6,
    SpecialAuthoritySlashes = 7,
    SpecialAuthorityIgnoreSlashes = 8,
    Authority = 9,
    Host = 10,
    Hostname = 11,
    Port = 12,
    File = 13,
    FileSlash = 14,
    FileHost = 15,
    PathStart = 16,
    Path = 17,
    CannotBeABaseURLPath = 18,
    Query = 19,
    Fragment = 20
}
/**
 * Represents an URL's host as either of:
 * - a domain as a string
 * - an IPv4 address as a number
 * - an IPv6 address as a list of eight numbers
 * - an opaque host as a string
 * - or an empty host the an empty string `""`
 */
export type Host = string | number | number[];
/**
 * Represents an origin as a tuple of:
 * - A scheme (a scheme).
 * - A host (a host).
 * - A port (a port).
 * - A domain (null or a domain). Null unless stated otherwise.
 */
export type Origin = [string, Host, number | null, string | null];
export declare const OpaqueOrigin: Origin;