import type { AnyValidateFunction } from 'ajv/dist/core';
import type { AnyObject, Event, ModelConfig } from '../typings';
import type FullyHomomorphicEncryptionClient from '../services/fhe';
import Ajv from 'ajv';
import * as jsonpatch from 'fast-json-patch';
export declare function defaultReducer(state: AnyObject | null, event: AnyObject, patch?: jsonpatch.Operation[]): {
    updated_at: any;
    created_at: any;
};
export declare function applyEventHandler(schema: AnyValidateFunction, eventSchema: AnyObject, state: AnyObject, event: Event, options: {
    throwOnInvalidEvent?: boolean;
    model?: AnyObject;
    modelConfig?: ModelConfig;
    fhe?: FullyHomomorphicEncryptionClient;
}): Promise<AnyObject>;
declare const _default: (schemas: AnyObject, options?: {
    throwOnInvalidEvent?: boolean;
    model?: AnyObject;
    modelConfig?: ModelConfig;
    fhe?: FullyHomomorphicEncryptionClient;
}) => (state: object, event: Event, validator?: Ajv) => Promise<object>;
export default _default;