import { type Schema } from "../core/index.js";
import type { AdditionalPropertyKeyValidator, Config } from "../form/main.js";
export declare function removeVirtualAdditionalProperties(schema: Schema): Schema;
export declare function createVirtualAdditionalPropertiesRemover(cache?: WeakMap<Config, Config>): (arg: Config) => Config;
export interface ErrorFactoryOptions {
    key: string;
    patternProperties: Exclude<Schema["patternProperties"], undefined>;
}
export declare function createPatternPropertyKeyValidator(error: string | ((ctx: ErrorFactoryOptions) => string)): AdditionalPropertyKeyValidator;