import type * as z from "zod";
export declare const WEBEXT_HEARTBEAT_MS = 20000;
export declare const WebExtHelloSchema: z.ZodObject<{
    type: z.ZodLiteral<"hello">;
    token: z.ZodString;
    version: z.ZodString;
}, z.core.$strip>;
export type WebExtHello = z.infer<typeof WebExtHelloSchema>;
//# sourceMappingURL=webext-protocol.d.ts.map