/** A JavaScript runtime this package recognizes. */
export type RuntimeName = 'node' | 'deno' | 'bun' | 'workerd' | 'edge-light' | 'browser' | 'unknown';
/** Which runtime the code is running on. */
export interface RuntimeInfo {
    /**
     * `node`, `deno`, `bun`, `workerd` for Cloudflare Workers, `edge-light` for Vercel's edge
     * runtime, `browser` for a page or a web worker, or `unknown`.
     */
    name: RuntimeName;
    /** The runtime's version, where it reports one. */
    version?: string;
}
/**
 * Which runtime the code is running on, from what each one reliably exposes. Deno and Bun are
 * checked before Node.js, since both also present Node's `process`.
 */
export declare function runtimeInfo(): RuntimeInfo;