import { EventEmitter } from "../../stencil-public-runtime";
import { DuetMargin, DuetTextFontWeight, DuetTheme, DuetTooltipDirection } from "../../common-types";
import { InputComponent } from "../../common/form-components";
import { ThemeableComponent } from "../../common/themeable-component";
export type DuetSelectOption = {
    label: string;
    value: string;
    ariaLabel?: string;
    disabled?: boolean;
};
export type DuetSelectVariation = "default" | "compact" | "tiny";
export type DuetSelectOptionGroup = {
    label: string;
    options: DuetSelectOption[];
    disabled?: boolean;
};
export type DuetSelectItems = Array<DuetSelectOptionGroup | DuetSelectOption>;
export type DuetSelectEvent = {
    originalEvent?: Event;
    component: "duet-select";
    value: string;
};
/**
 * @slot tooltip - Use to place a tooltip alongside the label.
 */
export declare class DuetSelect implements ThemeableComponent, InputComponent {
    /**
     * Own Properties
     */
    private selectId;
    private errorId;
    private labelId;
    private topCaptionId;
    private topCaptionPlaceholderId;
    private isCaptionVisible;
    private nativeSelect?;
    private proxyId;
    /**
     * Reference to host HTML element.
     */
    element: HTMLElement;
    /**
     * State() variables
     * Inlined decorator, alphabetical order.
     */
    processedItems: DuetSelectItems;
    /**
     * Variation of dropdown. Tiny is used for small numbers / tiny option ranges. Compact works well with adjacent buttons,
     * like with compact pagination.
     */
    variation: DuetSelectVariation;
    /**
     * Indicates the id of a related component’s visually focused element.
     */
    accessibleActiveDescendant: string;
    /**
     * Indicates the id of a component that describes the input.
     */
    accessibleDescribedBy: string;
    /**
     * Controls the margin of the component.
     */
    margin: DuetMargin;
    /**
     * Use this prop to add an aria-controls attribute. Use the attribute to indicate
     * the id of a component controlled by this component.
     */
    accessibleControls: string;
    /**
     * Indicates the id of a component owned by the select.
     */
    accessibleOwns: string;
    /**
     * Display the select in error state along with an error message.
     */
    error: string;
    /**
     * The aria-live attribute for the error message. When the input is validated on blur, use "off", as using "polite" or "assertive"
     * makes the screen reader read the error message twice. When the input is validated on submit, use "polite", as "off" would leave
     * the messages unread by screen readers. Use "assertive" only in those rare cases when "polite" would leave the error message
     * unread by screen readers.
     */
    accessibleLiveError: "off" | "polite" | "assertive";
    /**
     * Expands the input to fill 100% of the container width.
     */
    expand: boolean;
    /**
     * The selected value of the select
     */
    value: string;
    protected valueChanged(): void;
    /**
     * Theme of the select.
     */
    theme: DuetTheme;
    /**
     * Visually hide the label, but still show it to screen readers.
     */
    labelHidden: boolean;
    /**
     * Adds a unique identifier for the select.
     */
    identifier: string;
    /**
     * Name of the select.
     */
    name: string;
    /**
     * Hint text to display.
     */
    placeholder: string;
    /**
     * Caption (underneath label) that can be set as a way of adding extra information
     */
    caption: string;
    /**
     * If form input field has a placeholder text, and user types anything (causing the placeholder text to disappear),
     * settings this to true will "echo" it into the caption slot - this option will be false by default for the next few versions, but will eventually be true by default (scheduled for 4.30.0)
     */
    echoPlaceholder: boolean;
    /**
     * An array of items to choose from
     */
    items: string | DuetSelectItems;
    /**
     * Makes the select component disabled. This prevents users from being able
     * to interact with the select, and conveys its inactive state to assistive
     * technologies.
     */
    disabled: boolean;
    /**
     * Set whether the input is required or not. Please note that this is necessary for
     * accessible inputs when the user is required to fill them. When using this property
     * you need to also set “novalidate” attribute to your form element to prevent
     * browser from displaying its own validation errors.
     */
    required: boolean;
    /**
     * Label for the select.
     */
    label: string;
    /**
     * Color of the label.
     */
    labelColor: string;
    /**
     * Font weight of the label.
     */
    labelWeight: DuetTextFontWeight;
    /**
     * Defines a specific role attribute for the select.
     */
    role: string | null;
    /**
     * Tooltip to display next to the label of the input.
     */
    tooltip: string;
    /**
     * With direction setting you can force the tooltip to always open towards left
     * or right instead of automatically determining the direction.
     */
    tooltipDirection: DuetTooltipDirection;
    /**
     * Callback for when the value changed.
     */
    duetChange: EventEmitter<DuetSelectEvent>;
    /**
     * Emitted when the select has focus.
     */
    duetFocus: EventEmitter<DuetSelectEvent>;
    /**
     * Emitted when the select loses focus.
     */
    duetBlur: EventEmitter<DuetSelectEvent>;
    /**
     * Component lifecycle events.
     */
    componentWillLoad(): void;
    componentDidRender(): void;
    /**
     * Component event handling.
     */
    private onChange;
    private onBlur;
    private onFocus;
    /**
     * Sets focus on the specified `duet-select`. Use this method instead of the global
     * `select.focus()`.
     */
    setFocus(options?: FocusOptions): Promise<void>;
    /**
     * Local methods.
     */
    private refresh;
    private getSelectedItemLabel;
    private renderOption;
    private renderOptionGroup;
    private getDescribedBy;
    /**
     * render() function
     * Always the last one in the class.
     */
    render(): any;
}