import { z } from 'zod';
export declare const ReleaseTimestamp: z.ZodCatch<z.ZodNullable<z.ZodEffects<z.ZodObject<{
    version: z.ZodObject<{
        created_at: z.ZodCatch<z.ZodNullable<z.ZodEffects<z.ZodUnknown, import("../../../util/timestamp").Timestamp, unknown>>>;
    }, "strip", z.ZodTypeAny, {
        created_at: import("../../../util/timestamp").Timestamp | null;
    }, {
        created_at?: unknown;
    }>;
}, "strip", z.ZodTypeAny, {
    version: {
        created_at: import("../../../util/timestamp").Timestamp | null;
    };
}, {
    version: {
        created_at?: unknown;
    };
}>, import("../../../util/timestamp").Timestamp | null, {
    version: {
        created_at?: unknown;
    };
}>>>;