import type * as zod from "zod";
import { ZodAccelerator } from "../accelerator";
import type { ZodAcceleratorContent } from "../content";
export declare class ZodNullAccelerator extends ZodAccelerator {
    get support(): typeof zod.ZodNull;
    makeAcceleratorContent(zodSchema: zod.ZodNull, zac: ZodAcceleratorContent): ZodAcceleratorContent;
    static contentPart: {
        typeof: () => {
            if: string;
            message: string;
        };
    };
}