type BaseMenuItemType = {
    label: string;
    value: string;
    subMenu?: BaseMenuItemType[];
};
type BaseMenuGroupType<T extends BaseMenuItemType = BaseMenuItemType> = {
    groupLabel?: string;
    items: T[];
    showSeparator?: boolean;
};
export declare const hasRenderableSelectItems: (groups: ReadonlyArray<{
    items: readonly unknown[];
}>) => boolean;
/**
 * Checks if the search text exactly matches any existing item's label or value
 * @param searchText - The text to search for
 * @param groups - Array of menu groups to search in
 * @returns true if an exact match is found, false otherwise
 */
export declare const hasExactMatch: <T extends BaseMenuItemType>(searchText: string, groups: BaseMenuGroupType<T>[]) => boolean;
/**
 * Returns filtered items with optional custom value item appended
 * @param baseFilteredItems - Already filtered items
 * @param searchText - Current search text
 * @param hasMatch - Whether an exact match exists
 * @param allowCustomValue - Whether custom values are allowed
 * @param enableSearch - Whether search is enabled
 * @param customValueLabel - Label prefix for custom value (default: "Specify")
 * @returns Filtered groups with custom value item if applicable
 */
export declare const getFilteredItemsWithCustomValue: <T extends BaseMenuItemType, G extends BaseMenuGroupType<T> = BaseMenuGroupType<T>>(baseFilteredItems: G[], searchText: string, hasMatch: boolean, allowCustomValue: boolean, enableSearch: boolean, customValueLabel?: string) => G[];
export {};