import { EventEmitter } from '../../stencil-public-runtime';
import { AlignedPlacement } from '../dropdown/placement';
import type { DropdownButtonVariant } from './dropdown-button.types';
import { AriaActiveDescendantMixinContract } from '../utils/internal/mixins/accessibility/aria-activedescendant.mixin';
import { ComponentIdMixinContract } from '../utils/internal/mixins/id.mixin';
declare const DropdownButton_base: abstract new (...args: any[]) => {
    componentDidLoad(): void;
    disconnectedCallback(): void;
    hostElement?: import("@stencil/core/internal").HTMLStencilElement;
    connectedCallback?(): void;
    componentWillRender?(): Promise<void> | void;
    componentDidRender?(): void;
    componentWillLoad?(): Promise<void> | void;
    componentShouldUpdate?(newVal: any, oldVal: any, propName: string): boolean | void;
    componentWillUpdate?(): Promise<void> | void;
    componentDidUpdate?(): void;
    render?(): any;
} & import("../utils/internal/component").StencilLifecycle & {
    $internal_id: number;
    getHostElementId(): string;
    hostElement?: import("@stencil/core/internal").HTMLStencilElement;
    connectedCallback?(): void;
    disconnectedCallback?(): void;
    componentWillRender?(): Promise<void> | void;
    componentDidRender?(): void;
    componentWillLoad?(): Promise<void> | void;
    componentDidLoad?(): void;
    componentShouldUpdate?(newVal: any, oldVal: any, propName: string): boolean | void;
    componentWillUpdate?(): Promise<void> | void;
    componentDidUpdate?(): void;
    render?(): any;
} & {
    suppressAriaActiveDescendant: boolean;
    isAriaActiveDescendantActive(): boolean;
    getControllingAriaElement(): Promise<HTMLElement> | HTMLElement | null;
    getAriaActiveDescendantProxyItemId(): string | boolean;
    clearActiveDescendant(): Promise<void>;
    $internal_onActiveDescendantChange(event: import("../utils/internal/mixins/setup.mixin").IxFocusVisibleChangeEvent): Promise<void>;
    hostElement?: import("@stencil/core/internal").HTMLStencilElement;
    connectedCallback?(): void;
    disconnectedCallback?(): void;
    componentWillRender?(): Promise<void> | void;
    componentDidRender?(): void;
    componentWillLoad?(): Promise<void> | void;
    componentDidLoad?(): void;
    componentShouldUpdate?(newVal: any, oldVal: any, propName: string): boolean | void;
    componentWillUpdate?(): Promise<void> | void;
    componentDidUpdate?(): void;
    render?(): any;
};
export declare class DropdownButton extends DropdownButton_base implements AriaActiveDescendantMixinContract, ComponentIdMixinContract {
    hostElement: HTMLIxDropdownButtonElement;
    /**
     * Button variant
     */
    variant: DropdownButtonVariant;
    /**
     * Disable button
     */
    disabled: boolean;
    /**
     * Set label
     */
    label?: string | null;
    /**
     * Button icon
     */
    icon?: string;
    /**
     * Controls if the dropdown will be closed in response to a click event depending on the position of the event relative to the dropdown.
     */
    closeBehavior: 'inside' | 'outside' | 'both' | boolean;
    /**
     * Placement of the dropdown
     */
    placement?: AlignedPlacement;
    /**
     * ARIA label for the dropdown button
     * Will be set as aria-label on the nested HTML button element
     *
     * @since 3.2.0
     */
    ariaLabelDropdownButton?: string;
    /**
     * If true, the dropdown will try to focus checked items first when opened via keyboard, otherwise it will always focus the first focusable item.
     *
     * @since 5.0.0
     */
    focusCheckedItem: boolean;
    /**
     * Enable Popover API rendering for dropdown.
     *
     * @default false
     * @since 4.3.0
     */
    enableTopLayer: boolean;
    /**
     * Suppress the use of the aria-activedescendant attribute and related focus proxy functionality.
     *
     * @internal
     * */
    suppressAriaActiveDescendant: boolean;
    /**
     * Fire event before visibility of dropdown has changed, preventing event will cancel showing dropdown
     */
    showChange: EventEmitter<boolean>;
    /**
     * Fire event after visibility of dropdown has changed
     */
    showChanged: EventEmitter<boolean>;
    dropdownShow: boolean;
    private inheritAriaAttributes;
    private dropdownButtonId;
    private readonly dropdownAnchor;
    private readonly dropdownRef;
    private hostContext?;
    private getTriangle;
    private readonly onDropdownShowChanged;
    componentDidLoad(): void;
    componentWillRender(): Promise<void> | void;
    getControllingAriaElement(): Promise<HTMLElement> | HTMLElement | null;
    isAriaActiveDescendantActive(): boolean;
    getAriaActiveDescendantProxyItemId(): string | boolean;
    /**@internal */
    getDropdownReference(): Promise<HTMLIxDropdownElement>;
    render(): any;
}
export {};