import * as Ajv from "ajv";
import { ValidateFunction } from "ajv";
import { IField } from "../interfaces";
import { JsonSchemaReader } from "./JsonSchemaReader";
export declare class JsonValidator {
    ajv: Ajv.Ajv;
    protected cache: Array<[Function, ValidateFunction]>;
    protected readonly schemaReader: JsonSchemaReader;
    /**
     * Valid object based on definition.
     *
     * @param definition      Class definition
     * @param source          Json object data
     */
    validateClass<T>(definition: Function, source: T): T;
    /**
     * Validate a field.
     *
     * @param field     Field
     * @param source    Value
     */
    validateField<T>(field: IField, source: T): T;
    /**
     * Find/Create validate function based on class definition.
     *
     * @param definition    Class definition
     * @return              Validate function
     */
    getValidationFunction(definition: Function): ValidateFunction;
}