import { ComboboxValue } from './combobox-value';
/**
 * Event handler layer for PktCombobox.
 * Handles user interactions: input, focus, keyboard, clicks, tags.
 */
export declare class ComboboxHandlers extends ComboboxValue {
    protected handleInput(e: InputEvent): void;
    protected handleFocus(): void;
    protected handleFocusOut(e: FocusEvent): void;
    /**
     * Shared close logic used by both focusout and outside-click handlers.
     * Processes any pending input value, then closes the dropdown.
     */
    protected closeAndProcessInput(): void;
    protected handleBlur(): void;
    protected handleInputClick(e: MouseEvent): void;
    protected handlePlaceholderClick(e: MouseEvent): void;
    protected handleSelectOnlyKeydown(e: KeyboardEvent): void;
    protected handleOptionToggled(e: CustomEvent): void;
    protected handleSearch(e: CustomEvent): void;
    protected handleInputKeydown(e: KeyboardEvent): void;
    protected handleTagRemove(value: string | null): void;
    protected getInsideTags(): HTMLElement[];
    protected focusTag(index: number): void;
    protected resetTagTabindices(): void;
    protected handleTagKeydown(e: KeyboardEvent, index: number): void;
    protected checkForMatches(): void;
}