import { z } from 'zod';
export declare const UserReferenceSchema: z.ZodObject<{
    id: z.ZodOptional<z.ZodString>;
    identifier: z.ZodOptional<z.ZodString>;
    location: z.ZodOptional<z.ZodString>;
}, "strip", z.ZodTypeAny, {
    id?: string | undefined;
    identifier?: string | undefined;
    location?: string | undefined;
}, {
    id?: string | undefined;
    identifier?: string | undefined;
    location?: string | undefined;
}>;
