import Ajv from 'ajv';
import { CustomValidatorOptionsType } from './types.js';
export declare const AJV_CONFIG: {
    readonly errorDataPath: "property";
    readonly allErrors: true;
    readonly multipleOfPrecision: 8;
    readonly schemaId: "auto";
    readonly unknownFormats: "ignore";
};
export declare const COLOR_FORMAT_REGEX: RegExp;
export declare const DATA_URL_FORMAT_REGEX: RegExp;
/** Creates an Ajv version 6 implementation object with standard support for the 'color` and `data-url` custom formats.
 * If `additionalMetaSchemas` are provided then the Ajv instance is modified to add each of the meta schemas in the
 * list. If `customFormats` are provided then those additional formats are added to the list of supported formats. If
 * `ajvOptionsOverrides` are provided then they are spread on top of the default `AJV_CONFIG` options when constructing
 * the `Ajv` instance.
 *
 * @param [additionalMetaSchemas] - The list of additional meta schemas that the validator can access
 * @param [customFormats] - The set of additional custom formats that the validator will support
 * @param [ajvOptionsOverrides={}] - The set of validator config override options
 * @deprecated in favor of the `@rjsf/validator-ajv8
 */
export default function createAjvInstance(additionalMetaSchemas?: CustomValidatorOptionsType['additionalMetaSchemas'], customFormats?: CustomValidatorOptionsType['customFormats'], ajvOptionsOverrides?: CustomValidatorOptionsType['ajvOptionsOverrides']): Ajv.Ajv;