import type { VNode } from '@bpmn-io/diagram-js-ui';
import type { PopupMenuTarget } from './PopupMenu';
export type PopupMenuEntryAction = (event: Event, entry: PopupMenuEntry, action?: string) => any;
export type PopupMenuEntry = {
    action: PopupMenuEntryAction;
    className: string;
    group?: string;
    disabled?: boolean;
    imageUrl?: string;
    imageHtml?: string;
    label: string;
};
export type PopupMenuEntries = Record<string, PopupMenuEntry>;
export type PopupMenuEntriesProvider = (entries: PopupMenuEntries) => PopupMenuEntries;
export type PopupMenuGroup = {
    id: string;
    name?: string;
    entries: PopupMenuEntry[];
};
export type PopupMenuHeaderEntryAction = (event: Event, entry: PopupMenuHeaderEntry, action?: string) => any;
export type PopupMenuHeaderEntry = {
    action: PopupMenuHeaderEntryAction;
    active?: boolean;
    className: string;
    group?: string;
    disabled?: boolean;
    id: string;
    imageUrl?: string;
    imageHtml?: string;
    label?: string;
    title: string;
};
export type PopupMenuHeaderEntries = PopupMenuHeaderEntry[];
export type PopupMenuProviderHeaderEntriesProvider = (entries: PopupMenuHeaderEntries) => PopupMenuHeaderEntries;
export type PopupMenuEmptyPlaceholder = VNode;
export type PopupMenuEmptyPlaceholderProvider = (search: string) => PopupMenuEmptyPlaceholder;
/**
 * An interface to be implemented by a popup menu provider.
 */
export default interface PopupMenuProvider {
    /**
     * Returns a map of entries or a function that receives, modifies and returns
     * a map of entries.
     *
     * The following example shows how to replace any entries returned by previous
     * providers with one entry which alerts the ID of the given target when
     * clicking on the entry.
     *
     * @example
     *
     * ```javascript
     * getPopupMenuEntries(target) {
     *   return function(entries) {
     *     return {
     *       alert: {
     *         action: (event, entry) => {
     *           alert(target.id);
     *         },
     *         className: 'alert',
     *         label: 'Alert target ID'
     *       }
     *     };
     *   };
     * }
     * ```
     *
     * @param target
     */
    getPopupMenuEntries(target: PopupMenuTarget): PopupMenuEntriesProvider | PopupMenuEntries;
    /**
     * Returns a list of header entries or a function that receives, modifies and
     * returns a list of header entries.
     *
     * The following example shows how to replace any entries returned by previous
     * providers with one entry which alerts the ID of the given target when
     * clicking on the entry.
     *
     * @example
     *
     * ```javascript
     * getHeaderEntries(target) {
     *   return function(entries) {
     *     return [
     *       {
     *         action: (event, entry) => {
     *           alert(target.id);
     *         },
     *         active: true,
     *         className: 'alert',
     *         id: 'alert',
     *         title: 'Alert target ID';
     *       }
     *     ];
     *   };
     * }
     * ```
     *
     * @param target
     */
    getHeaderEntries?(target: PopupMenuTarget): PopupMenuProviderHeaderEntriesProvider | PopupMenuHeaderEntries;
    /**
     * Returns a component to be displayed when no popup menu entries
     * match a given search query.
     *
     * @example
     *
     * ```javascript
     * getEmptyPlaceholder() {
     *   return (search) => <>
     *     No results for <strong>{ search }</strong>
     *   <>;
     * }
     * ```
     */
    getEmptyPlaceholder?(): PopupMenuEmptyPlaceholderProvider | PopupMenuEmptyPlaceholder;
}