import { KeyProvider, LabelProvider, MultiLangText } from './CommonTypes'; export declare const defaultLabelProvider: (item: T) => string; export declare const emptyLabelProvider: (_item: T) => undefined; export declare const executeLabelProviderOrDefault: (item: T, labelProvider: LabelProvider | undefined, defaultLabel: (item: T) => string) => MultiLangText; export declare const defaultKeyProvider: (item: T) => string; export declare const emptyKeyProvider: (_item: T) => undefined; export declare const executeKeyProviderOrDefault: (item: T, keyProvider: KeyProvider | undefined, defaultKey: (item: T) => string) => string;