import { type Schema } from 'ajv/dist/2019';
import { type Ajv as IAjv, AjvInvalidParamError } from '@eggjs/tegg/ajv';
export declare class Ajv implements IAjv {
    #private;
    static InvalidParamErrorClass: typeof AjvInvalidParamError;
    protected _init(): void;
    /**
     * Validate data with typebox Schema.
     *
     * If validate fail, with throw `Ajv.InvalidParamErrorClass`
     */
    validate(schema: Schema, data: unknown): void;
}