export declare function calcOptionsLength(options: any): any; export declare function flattenGroupedChildren(children: any): any; export declare function isFocused({ props: { isFocused } }: { props: { isFocused: any; }; }): boolean; export declare function getCurrentIndex(children: any): number; export declare function createGetHeight({ groupHeadingStyles, noOptionsMsgStyles, optionStyles, loadingMsgStyles, }: { groupHeadingStyles: any; noOptionsMsgStyles: any; optionStyles: any; loadingMsgStyles: any; }): (child: any) => any;