import * as z from "zod/mini";
/**
 * A ping, issued by either the server or the client, to check that the other
 * party is still alive. The receiver must promptly respond, or else may be
 * disconnected.
 */
export declare const PingRequestSchema: z.ZodMiniObject<{
    params: z.ZodMiniOptional<z.ZodMiniObject<{
        _meta: z.ZodMiniOptional<z.ZodMiniObject<{
            progressToken: z.ZodMiniOptional<z.ZodMiniUnion<readonly [z.ZodMiniString<string>, z.ZodMiniNumberFormat]>>;
        }, z.core.$loose>>;
    }, z.core.$loose>>;
    method: z.ZodMiniLiteral<"ping">;
}, z.core.$strip>;