/**
 * @module
 * Adapter Helper for Hono.
 */
import type { Context } from '../../context';
export type Runtime = "node" | "deno" | "bun" | "workerd" | "fastly" | "edge-light" | "other";
export declare const env: <T extends Record<string, unknown>, C extends Context = Context<{
    Bindings: T;
}>>(c: T extends Record<string, unknown> ? Context : C, runtime?: Runtime) => T & C["env"];
export declare const knownUserAgents: Partial<Record<Runtime, string>>;
export declare const getRuntimeKey: () => Runtime;
export declare const checkUserAgentEquals: (platform: string) => boolean;