import { SelectableOptionItem } from '@fundamental-ngx/cdk/forms';
/** @hidden */
export declare function lookupValue(item: unknown, lookupKey: string): string;
/** @hidden */
export declare function displayValue(item: unknown, displayKey: string): string;
/** @hidden */
export declare function objectGet(obj: unknown, is: string | string[] | undefined): any;
/** @hidden */
export declare function getSelectItemByInputValue<T>(suggestions: SelectableOptionItem<T>[], needleValue: string): SelectableOptionItem<T> | undefined;
/** @hidden
 *  Map grouped values to array. */
export declare function flattenGroups(items: SelectableOptionItem[]): SelectableOptionItem[];
/** @hidden */
export declare function getTokenIndexByIdlOrValue(item: SelectableOptionItem, suggestions: SelectableOptionItem[]): number;
