export declare const Null: () => null;
export declare const Undefined: () => undefined;
export type Primitive = typeof Boolean | typeof Number | typeof String | typeof Null | typeof Undefined;
export declare function primitiveToString(value: ReturnType<Primitive>): string;
export declare function primitiveToType(value: ReturnType<Primitive>): Primitive;
export declare function isPrimitiveType(value: unknown): value is Primitive;
export declare function isPrimitive(value: unknown): value is ReturnType<Primitive>;
export declare function isPrimitiveOfType(types: readonly Primitive[]): (value: unknown) => value is Primitive;
export declare function primitiveTypeToString(type: Primitive): string;