/**
 * Convert a mapping from filename patterns to media types
 * into a sorted array of pairs with predicates and media types.
 * A filename pattern can have the placeholders `*` and `?`.
 *
 * @template T
 * @param {Object.<string, T>} types The type map from the configuration
 * @returns {{ predicate: (function(string): boolean), type: T }[]}
 */
export function fileTypePredicates<T>(types: {
    [x: string]: T;
}): {
    predicate: ((arg0: string) => boolean);
    type: T;
}[];
/**
 * Load and merge the configuration from different sources.
 * @param {Boolean} loadDefaults A boolean flag to control, whether the default configuration is loaded or not
 * @param {String[]} additionalFileNames An array with paths for additional configuration files
 * @param {Boolean} loadEnv A boolean flag to control, whether environment variables are considered
 * @param {Object} explicit An explicit configuration map
 * @returns {Promise<Object>} A promise resolving into the merged configuration.
 */
export function load(loadDefaults: boolean, additionalFileNames: string[], loadEnv: boolean, explicit: any): Promise<any>;
export const defaultTypes: {
    [filePattern: string]: string;
};