import { GenericObjectType, RJSFSchema, StrictRJSFSchema } from './types';
/** Splits out the value at the `key` in `object` from the `object`, returning an array that contains in the first
 * location, the `object` minus the `key: value` and in the second location the `value`.
 *
 * @param key - The key from the object to extract
 * @param object - The object from which to extract the element
 * @returns - An array with the first value being the object minus the `key` element and the second element being the
 *      value from `object[key]`
 */
export declare function splitKeyElementFromObject(key: string, object: GenericObjectType): any[];
/** Given the name of a `$ref` from within a schema, using the `rootSchema`, look up and return the sub-schema using the
 * path provided by that reference. If `#` is not the first character of the reference, or the path does not exist in
 * the schema, then throw an Error. Otherwise return the sub-schema. Also deals with nested `$ref`s in the sub-schema.
 *
 * @param $ref - The ref string for which the schema definition is desired
 * @param [rootSchema={}] - The root schema in which to search for the definition
 * @returns - The sub-schema within the `rootSchema` which matches the `$ref` if it exists
 * @throws - Error indicating that no schema for that reference exists
 */
export default function findSchemaDefinition<S extends StrictRJSFSchema = RJSFSchema>($ref?: string, rootSchema?: S): S;