import { type Schema } from 'jsonschema';
import { type JsonArray, type JsonValue } from 'type-fest';
declare module 'jsonschema' {
    /**
     * See https://github.com/tdegrunt/jsonschema/pull/335
     */
    interface Schema {
        default?: JsonValue;
        examples?: JsonArray;
        /**
         * Descriptions for enum values.
         *
         * This is a JSON schema extension that’s supported by Monaco editor, and also used in Appsemble
         * Studio.
         */
        enumDescriptions?: string[];
        /**
         * If true, Appsemble renders a textarea in the graphical JSON editor.
         *
         * This is a custom property used by Appsemble.
         */
        multiline?: boolean;
    }
    interface SchemaContext {
        path: (number | string)[];
    }
}
/**
 * Generate data based on a JSON schema.
 *
 * The generated data doesn’t necessarily conform to the JSON schema. This is useful to prefill
 * forms that are based on a JSON schema, but where user input is still needed to verify the data.
 *
 * @param schema The JSON schema to generate data from.
 * @returns A JSON value estimated from the schema.
 */
export declare function generateDataFromSchema(schema?: Schema): JsonValue;
/**
 * Combine a list of schemas into one schema matching all of them.
 *
 * The main purpose of this function is to combine a schema using `allOf` into one schema that can
 * be rendered. Do not use this for actual validation. Use the original `allOf` schema instead.
 *
 * @param schemas The schemas to combine.
 * @returns The combined schema.
 */
export declare function combineSchemas(...schemas: Schema[]): Schema;
/**
 * Recursively iterate over a JSON schema and call the callback with every sub schema found.
 *
 * @param schema The JSON schema to iterate.
 * @param onSchema The callback to call with the found JSON schema.
 */
export declare function iterJSONSchema(schema: Schema, onSchema: (schema: Schema) => void): void;