import { IEventEmitter } from '@breadstone/mosaik-elements';
import { ISlottable } from '../../../Behaviors/Slottable';
import { SelectorElement } from '../Abstracts/Selector/SelectorElement';
import type { IStepperActiveStepChangedEventDetail } from './Events/IStepperActiveStepChangedEventDetail';
import type { IStepperElementEvents } from './IStepperElementEvents';
import type { IStepperElementProps } from './IStepperElementProps';
import { StepperItemElement } from './StepperItemElement';
declare const StepperElement_base: (abstract new (...args: Array<any>) => import("../../../Behaviors/Themeable").IThemeableProps) & (abstract new (...args: Array<any>) => import("../../../Behaviors/Slottable").ISlottableProps & ISlottable) & (abstract new (...args: Array<any>) => import("../../../Behaviors/Fitable").IFitableProps) & (abstract new (...args: Array<any>) => import("../../../Behaviors/Disableable").IDisableableProps) & (abstract new (...args: Array<any>) => import("../../../Behaviors/Orientable").IOrientableProps) & (abstract new () => SelectorElement<any>) & import("../../../Behaviors/Themeable").IThemeableCtor;
/**
 * Stepper - A control that guides users through a workflow.
 *
 * @element mosaik-stepper
 * @category Selector
 *
 * @slot header - The header slot.
 * @slot steps - The steps slot.
 * @slot footer - The footer slot.
 *
 * @fires activeStepChanged - Fired when the active step has changed.
 *
 * @public
 */
export declare class StepperElement extends StepperElement_base implements IStepperElementProps, IStepperElementEvents, ISlottable {
    private readonly _activeStepChanged;
    /**
     * @public
     */
    constructor();
    /**
     * Returns the `{@link is}` property.
     *
     * @public
     * @static
     * @override
     * @readonly
     */
    static get is(): string;
    /**
     * Returns the `items` property.
     *
     * @public
     * @override
     * @readonly
     */
    get items(): Array<StepperItemElement>;
    /**
     * Gets the active index of the stepper.
     *
     * @public
     * @readonly
     */
    get activeIndex(): number;
    /**
     * Gets the first step indicator.
     *
     * @public
     * @readonly
     */
    get isFirstStep(): boolean;
    /**
     * Gets the last step indicator.
     *
     * @public
     * @readonly
     */
    get isLastStep(): boolean;
    /**
     * Called when the active step has changed.
     * Provides reference to `{@link IStepperActiveStepChangedEventDetail}` as event detail.
     *
     * @public
     * @readonly
     * @eventProperty
     */
    get activeStepChanged(): IEventEmitter<IStepperActiveStepChangedEventDetail>;
    /**
     * @protected
     * @template
     */
    onSlotChange(): void;
    /**
     * Ensures that at least one step is active.
     * If no step is active, the first step will be selected.
     *
     * @protected
     */
    protected ensureActiveStep(): void;
    /**
     * Handles a step invocation from the header.
     *
     * @public
     * @param step - The step that has been invoked.
     */
    onStepInvoked(step: StepperItemElement): void;
    /**
     * @protected
     * @override
     */
    protected onSelectionChanged(oldIndex: number, newIndex: number): void;
    /**
     * Emits the {@link activeStepChanged} event.
     *
     * @protected
     */
    protected onActiveStepChanged(args: IStepperActiveStepChangedEventDetail): void;
    /**
     * @protected
     */
    protected onSelectedIndexPropertyChanged(_prev: number, next: number): void;
}
/**
 * @public
 */
export declare namespace StepperElement {
    type Props = IStepperElementProps;
}
/**
 * @public
 */
declare global {
    interface HTMLElementTagNameMap {
        'mosaik-stepper': StepperElement;
    }
    interface HTMLElementEventMap {
        activeStepChanged: CustomEvent<IStepperActiveStepChangedEventDetail>;
    }
}
export {};
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