import { ExtractPathsAny, PathToType } from '../common-types/types';
/**
 * Retrieves the value at the specified path in a deeply nested data structure. If the path does not exist,
 * the function returns the provided default value.
 *
 * @param data - The data object or array from which to retrieve the value.
 * @param path - The path string to the desired value, with parts separated by the specified separator.
 * @param [defaultValue=undefined] - The value to return if the path does not exist.
 * @param [separator='.'] - The string used to separate path segments. Defaults to '.'.
 * @return The value at the specified path in the data structure or the default value if the path is invalid.
 */
export declare function get<D, P extends ExtractPathsAny<D, S>, S extends string = '.'>(data: D, path: P, defaultValue?: unknown, separator?: S): PathToType<D, P, S>;