import { EventEmitter, VNode } from "../../stencil-public-runtime";
import { Scale, SelectionMode } from "../interfaces";
import { RequestedItem } from "./interfaces";
/**
 * @slot - A slot for adding `calcite-dropdown-item`s.
 */
export declare class DropdownGroup {
  el: HTMLCalciteDropdownGroupElement;
  /** Specifies and displays a group title. */
  groupTitle: string;
  /**
   * Specifies the component's selection mode, where
   * `"multiple"` allows any number of (or no) selected `calcite-dropdown-item`s,
   * `"single"` allows and requires one selected `calcite-dropdown-item`, and
   * `"none"` does not allow selection on `calcite-dropdown-item`s.
   */
  selectionMode: Extract<"single" | "none" | "multiple", SelectionMode>;
  /**
   * Specifies the size of the component.
   */
  scale: Scale;
  /**
   * @internal
   */
  calciteInternalDropdownItemChange: EventEmitter<RequestedItem>;
  componentWillLoad(): void;
  render(): VNode;
  updateActiveItemOnChange(event: CustomEvent): void;
  /** position of group within a dropdown */
  private groupPosition;
  /** the requested group */
  private requestedDropdownGroup;
  /** the requested item */
  private requestedDropdownItem;
  private getGroupPosition;
}