import { Modifier } from "./common";
type AutoDateType = "created" | "updated";
type Options = {
    /** Timestamp behavior: `created` is only set on insert, `updated` is refreshed on every update */
    type: AutoDateType;
};
/**
 * Auto-date modifier. Enables the use of {@link CreationTime} and
 * {@link UpdateTime} on table fields.
 *
 * This is an event-only modifier: it does not transform stored values and
 * does not require the Table class to incorporate a mixin.
 */
export declare class AutoDateModifier extends Modifier<object, Options> {
    insert(object: Record<string, unknown>, field: string): void;
    update(object: Record<string, unknown>, field: string): void;
}
/**
 * Mark a Database Table class field as an automatic creation timestamp.
 *
 * The field is set to the current date on insert and removed from update
 * payloads so the original creation date is preserved.
 */
export declare const CreationTime: () => import("@antelopejs/interface-core/decorators").PropertyDecorator;
/**
 * Mark a Database Table class field as an automatic update timestamp.
 *
 * The field is set to the current date on insert and refreshed on every
 * update.
 */
export declare const UpdateTime: () => import("@antelopejs/interface-core/decorators").PropertyDecorator;
export {};