import type { Request } from "@cloudflare/workers-types";
import { type Parser } from "bowser";
export declare class UserAgent {
    #private;
    private value;
    constructor(value: string);
    static from(value: string | UserAgent): UserAgent;
    static fromRequest(request: Request): UserAgent | null;
    static canParse(value: string): boolean;
    get browser(): Parser.Details;
    get engine(): Parser.Details;
    get os(): Parser.OSDetails;
    get platform(): Parser.PlatformDetails;
    toString(): string;
}