import { LitElement, CSSResultGroup } from 'lit';
/**
 * Select
 *
 * @prop {boolean} disabled - If select is disabled.
 * @prop {boolean} readonly - If select is readonly.
 * @prop {boolean} required - If select is required.
 * @prop {string} placeholder - Sets the placeholder for select
 * @prop {T | null} selected - The currently selected item
 * @prop {boolean} autocomplete - Enable autocomplete/search functionality
 * @prop {boolean} clearable - Show clear button when item is selected
 *
 * @fires change - Fires when the selection is changed. Detail contains the selected item or null.
 * @fires focus - Fires when the select receives focus
 * @fires blur - Fires when the select loses focus
 */
export declare class SelectElement<T> extends LitElement {
    static styles: CSSResultGroup;
    items: T[];
    placeholder: string;
    clearable: boolean;
    disabled: boolean;
    readonly: boolean;
    required: boolean;
    autocomplete: boolean;
    noItemsLabel: string;
    isLoading: boolean;
    isError: boolean;
    loadingLabel: string;
    loadingErrorLabel: string;
    valueFn?: (item: T) => string;
    filterFn?: (item: T, searchTerm: string) => boolean;
    private _selected;
    get selected(): T | null;
    set selected(val: T | null);
    private open;
    private searchTerm;
    private dropdownAbove;
    private blurred;
    private highlightedIndex;
    private dropdownStyles;
    private inputElement;
    private resizeHandler;
    private scrollHandler;
    private clickOutsideHandler;
    connectedCallback(): void;
    disconnectedCallback(): void;
    get filteredItems(): T[];
    get showError(): boolean;
    updated(changedProperties: Map<PropertyKey, unknown>): void;
    private addEventListeners;
    private removeEventListeners;
    private clearSelection;
    private closeDropdown;
    private getItemLabel;
    private handleClickOutside;
    private onFocus;
    private onSearch;
    private onSelect;
    private updateDropdownPosition;
    private openDropdownWithHighlight;
    private scrollToHighlightedItem;
    private toggleDropdown;
    private onKeyDown;
    private areItemsEqual;
    render(): import('lit').TemplateResult<1>;
}