import * as v from "@exodus/schemasafe";
export declare type INull = null;
export declare const NullSchema: Readonly<{
    readonly $schema: "https://json-schema.org/draft/2020-12/schema";
    readonly $id: "null";
    readonly title: "Null";
    readonly type: "null";
    readonly nullable: true;
    readonly examples: readonly ["null"];
    readonly readOnly: true;
}>;
export declare function validateNull(value: unknown, options?: v.ValidatorOptions): v.ParseResult;
export declare function assertNull(value: unknown): asserts value is INull;