import { EventEmitter, OnInit, ElementRef } from "@angular/core";
import { ControlValueAccessor } from "@angular/forms";
import { TreeSelectOption, SelectedBadge } from "./multiselect-data";
import * as i0 from "@angular/core";
/**
 * Directive to detect clicks outside an element
 */
export declare class ClickOutsideDirective {
    private elementRef;
    clickOutside: EventEmitter<void>;
    constructor(elementRef: ElementRef);
    onClick(event: MouseEvent): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<ClickOutsideDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<ClickOutsideDirective, "[clickOutside]", never, {}, { "clickOutside": "clickOutside"; }, never, never, true, never>;
}
export declare class MultiselectComponent implements OnInit, ControlValueAccessor {
    private onChange;
    private onTouched;
    private _disabled;
    label?: string;
    placeholder: string;
    error?: string;
    options: TreeSelectOption[];
    value: TreeSelectOption[] | string[];
    id: string;
    selectionChange: EventEmitter<TreeSelectOption[]>;
    set disabled(value: boolean);
    get disabled(): boolean;
    styles: {
        wrapperClass: string;
        labelClass: string;
        selectClass: string;
        selectTextClass: string;
        placeholderClass: string;
        selectedTextClass: string;
        dropdownIconClass: string;
        dropdownClass: string;
        dropdownContentClass: string;
        searchWrapperClass: string;
        searchIconClass: string;
        searchInputClass: string;
        optionClass: string;
        optionSelectedClass: string;
        indentationClasses: string[];
        expandIconClass: string;
        checkboxClass: string;
        checkboxSelectedClass: string;
        checkboxUnselectedClass: string;
        checkmarkIconClass: string;
        optionLabelClass: string;
        optionLabelSelectedClass: string;
        selectedBadgesClass: string;
        badgeClass: string;
        badgeCloseClass: string;
        noResultsClass: string;
        errorClass: string;
        indentClass: string;
    };
    isOpen: boolean;
    searchText: string;
    selectedBadges: SelectedBadge[];
    processedOptions: TreeSelectOption[];
    filteredOptions: TreeSelectOption[];
    ngOnInit(): void;
    /**
     * Process the options to add level and parent references
     */
    processOptions(): void;
    /**
     * Recursively process tree options to add level and parent references
     */
    private processTreeOptions;
    /**
     * Toggle dropdown visibility
     */
    toggleDropdown(): void;
    /**
     * Close dropdown when clicking outside
     */
    closeDropdown(): void;
    /**
     * Toggle option expanded state
     */
    toggleExpand(option: TreeSelectOption, event: Event): void;
    /**
     * Toggle option selection
     */
    toggleSelection(option: TreeSelectOption, event: Event): void;
    /**
     * Set selection state for all children
     */
    private setChildrenSelection;
    /**
     * Update parent selection based on children
     */
    private updateParentSelection;
    /**
     * Update selected badges based on current selection
     */
    private updateSelectedBadges;
    /**
     * Recursively collect selected badges
     */
    private collectSelectedBadges;
    /**
     * Remove a selected badge
     */
    removeBadge(badge: SelectedBadge): void;
    /**
     * Deselect an option by value
     */
    private deselectOption;
    /**
     * Emit selection change event with all selected options
     */
    private emitSelectionChange;
    /**
     * Collect all selected options
     */
    private collectSelectedOptions;
    /**
     * Filter options based on search text
     */
    filterOptions(options: TreeSelectOption[]): TreeSelectOption[];
    /**
     * Handle search input changes
     */
    onSearchInput(): void;
    /**
     * Check if option should be visible based on search
     */
    isVisible(option: TreeSelectOption): boolean;
    /**
     * Get the appropriate indentation class based on the level
     */
    getIndentationClass(level: number): string;
    /**
     * Reset all selections in the options tree
     */
    private resetSelection;
    /**
     * Handle pre-selected values from form control
     */
    private handlePreselectedValues;
    writeValue(value: any): void;
    registerOnChange(fn: any): void;
    registerOnTouched(fn: any): void;
    setDisabledState(isDisabled: boolean): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<MultiselectComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<MultiselectComponent, "universal-multiselect", never, { "label": { "alias": "label"; "required": false; }; "placeholder": { "alias": "placeholder"; "required": false; }; "error": { "alias": "error"; "required": false; }; "options": { "alias": "options"; "required": false; }; "value": { "alias": "value"; "required": false; }; "id": { "alias": "id"; "required": false; }; "disabled": { "alias": "disabled"; "required": false; }; }, { "selectionChange": "selectionChange"; }, never, never, true, never>;
}