// Compatibility file for non-module typescript compiles without adjustments.
// Use the following line for modern code (needs adjustments to tsconfig.json#configOptions/paths)
// import { TcHmiControl } from "Beckhoff.TwinCAT.HMI.Framework/index.esm.js";
// ***************************************************************************


/**
 * 'Classic' | 'Mobile'
 */
export declare enum DropDownStyle {
    Classic = 0,
    Mobile = 1
}
export declare enum ImagePosition {
    LeftOfText = 0,
    RightOfText = 1
}
/**
 * @template T Type of the value to select
 * @template D Type of the source data to select from
 */
declare class TcHmiCombobox<T extends any = any, D extends ListItemGeneric<T>[] | T[] | TcHmi.Dictionary<T> = ListItemGeneric<T>[] | T[] | TcHmi.Dictionary<T>> extends TcHmi.Controls.System.TcHmiControl {
    #private;
    constructor(element: JQuery, pcElement: JQuery, attrs: TcHmi.Controls.ControlAttributeList);
    /** member variables */
    /** Reference to the root dom element of the current control template as  jquery object. */
    protected __elementTemplateRoot: JQuery;
    protected __elementSelect: JQuery;
    /** Reference to the span element which is used to display the text value as jquery object. */
    protected __elementText: JQuery;
    /** Reference to the table div in the control template as jquery object. */
    protected __elementDropdown: JQuery;
    /** Reference to the toggle button as jquery object. */
    protected __elementDropdownToggleButton: JQuery;
    /** Reference to the dom element in current control template which handles the focus style as jquery object. */
    protected __elementFocusBorder: JQuery;
    /**  Internal reference to the attribute "data-tchmi-system-keyboard-input-mode" */
    protected __systemKeyboardInputMode: TcHmi.Keyboard.KeyboardInputMode | undefined;
    /** SelectedIndex */
    protected __selectedIndex: number | null | undefined;
    /** SelectedIndex */
    protected __selectedId: number | null | undefined;
    /**
     * Is set to true if the control is locked and to false if the control is unlocked.
     * When the control is locked, calls to setText are ignored.
     */
    protected __locked: boolean;
    protected __textInputDestroyers: TcHmi.DestroyFunction[];
    /**  Internal reference to the attribute 'data-tchmi-src-data' */
    protected __srcData: D | null | undefined;
    /**  Internal reference to the attribute 'data-tchmi-enum-data-symbol' */
    protected __enumDataSymbol: TcHmi.Symbol<T[]> | undefined | null;
    protected __enumDataSymbolCurrentValue: number | undefined | null;
    protected __enumDataSymbolSchema: TcHmi.JsonSchema | undefined | null;
    protected __enumDataSymbolWriteLock: boolean;
    protected __enumDataSymbolExpressionResolved: TcHmi.SymbolExpression | undefined | null;
    protected __destroyEnumLocalizationWatch: TcHmi.DestroyFunction | null;
    /** Sanitised data for internal use */
    protected __data: ListItemGeneric<T>[];
    protected __dropDownboxOpen: boolean;
    /**
     * Internal reference to the attribute "data-tchmi-combobox-text"
     */
    protected __comboboxText: string | undefined;
    /**
     * Internal reference to the attribute 'data-tchmi-horizontal-text-alignment'
     */
    protected __textHorizontalAlignment: TcHmi.HorizontalAlignment | null | undefined;
    /**
     * Internal reference to the attribute 'data-tchmi-drop-down-horizontal-alignment'
     */
    protected __dropDownHorizontalAlignment: TcHmi.HorizontalAlignment | undefined;
    /**
     * Internal reference to the attribute "data-tchmi-drop-down-vertical-alignment"
     */
    protected __dropDownVerticalAlignment: TcHmi.VerticalAlignment | undefined;
    /**
     * Internal reference to the attribute "data-tchmi-text-color"
     */
    protected __textColor: TcHmi.SolidColor | null | undefined;
    /**
     * Internal reference to the attribute "data-tchmi-drop-down-color"
     */
    protected __dropDownTextColor: TcHmi.SolidColor | null | undefined;
    /**
     * Internal reference to the attribute "data-tchmi-drop-down-background-color"
     */
    protected __dropDownBackgroundColor: TcHmi.Color | null | undefined;
    protected __textFontSize: number | undefined;
    /**
     * Internal reference to the attribute "data-tchmi-text-font-size-unit"
     */
    protected __textFontSizeUnit: TcHmi.FontSizeUnit | undefined;
    /**
     * Internal reference to the attribute "data-tchmi-text-font-family"
     */
    protected __textFontFamily: TcHmi.FontFamily | null | undefined;
    /**
     * Internal reference to the attribute "data-tchmi-text-font-style"
     */
    protected __textFontStyle: TcHmi.FontStyle | undefined;
    /**
     * Internal reference to the attribute "data-tchmi-text-font-style"
     */
    protected __textFontWeight: TcHmi.FontWeight | undefined;
    /**
     *  Internal reference to the attribute "data-tchmi-auto-focus-out"
     */
    protected __autoFocusOut: boolean | undefined;
    /**
     * Internal reference to the attribute "data-tchmi-auto-select-text"
     */
    protected __autoSelectText: boolean | undefined;
    protected __dropDownFontSize: number | undefined;
    /**
     * Internal reference to the attribute "data-tchmi-drop-down-font-size-unit"
     */
    protected __dropDownFontSizeUnit: TcHmi.FontSizeUnit | undefined;
    /**
     * Internal reference to the attribute "data-tchmi-drop-down-font-family"
     */
    protected __dropDownFontFamily: TcHmi.FontFamily | null | undefined;
    /**
     * Internal reference to the attribute "data-tchmi-drop-down-font-style"
     */
    protected __dropDownFontStyle: TcHmi.FontStyle | undefined;
    /**
     * Internal reference to the attribute "data-tchmi-drop-down-font-style"
     */
    protected __dropDownFontWeight: TcHmi.FontWeight | undefined;
    /**  Internal reference to the attribute "data-tchmi-data-height"
     */
    protected __dataHeight: number | undefined;
    /**  Internal reference to the attribute "data-tchmi-max-list-height"  */
    protected __maxListHeight: number | undefined;
    protected __dropDownStyle: DropDownStyle | undefined;
    protected __imagePosition: ImagePosition | undefined;
    /** Internal reference to the attribute "data-tchmi-allow-text-input" */
    protected __allowTextInput: boolean | undefined;
    /** Internal reference to the attribute "data-tchmi-text" */
    protected __text: string | undefined;
    protected __valueBuffer: ValueBuffer<string> | undefined;
    /**  Internal reference to the attribute "data-tchmi-ignore-escape-sequences" */
    protected __ignoreEscapeSequences: boolean | undefined;
    /**  Internal reference to the attribute "data-tchmi-show-selected-image" */
    protected __showSelectedImage: boolean | undefined;
    /**
     * Internal reference to the attribute "data-tchmi-drop-down-highlight-color"
     */
    protected __dropDownHighlightColor: TcHmi.SolidColor | null | undefined;
    /**
     * Internal reference to the attribute "data-tchmi-drop-down-highlight-text-color"
     */
    protected __dropDownHighlightTextColor: TcHmi.SolidColor | null | undefined;
    /**
     * Internal reference to the attribute "data-tchmi-drop-down-toggle-button-background-color"
     */
    protected __dropDownToggleButtonBackgroundColor: TcHmi.Color | null | undefined;
    /**
     * Internal reference to the attribute "data-tchmi-drop-down-toggle-button-arrow-color"
     */
    protected __dropDownToggleButtonArrowColor: TcHmi.SolidColor | null | undefined;
    /**
     * Internal reference to the attribute "data-tchmi-drop-down-category-background-color"
     */
    protected __dropDownCategoryBackgroundColor: TcHmi.Color | null | undefined;
    /**
     * Internal reference to the attribute "data-tchmi-drop-down-category-text-color"
     */
    protected __dropDownCategoryTextColor: TcHmi.SolidColor | null | undefined;
    protected __dropDownCategoryFontSize: number | undefined;
    /**
     * Internal reference to the attribute "data-tchmi-drop-down-category-font-size-unit"
     */
    protected __dropDownCategoryFontSizeUnit: TcHmi.FontSizeUnit | undefined;
    /**
     * Internal reference to the attribute "data-tchmi-drop-down-category-font-family"
     */
    protected __dropDownCategoryFontFamily: TcHmi.FontFamily | null | undefined;
    /**
     * Internal reference to the attribute "data-tchmi-drop-down-category-font-style"
     */
    protected __dropDownCategoryFontStyle: TcHmi.FontStyle | undefined;
    /**
     * Internal reference to the attribute "data-tchmi-drop-down-category-font-style"
     */
    protected __dropDownCategoryFontWeight: TcHmi.FontWeight | undefined;
    /**
     * Internal reference to the attribute 'data-tchmi-drop-down-category-horizontal-alignment'
     */
    protected __dropDownCategoryHorizontalAlignment: TcHmi.HorizontalAlignment | undefined;
    /**
     * Internal reference to the attribute "data-tchmi-drop-down-category-vertical-alignment"
     */
    protected __dropDownCategoryVerticalAlignment: TcHmi.VerticalAlignment | undefined;
    /**  Internal reference to the attribute "data-tchmi-data-height"
     */
    /**
     * Internal reference to the attribute "data-tchmi-content-padding"
     */
    protected __contentPadding: TcHmi.FourSidedCss | null | undefined;
    /**
     * ReadOnly state of the control.
     */
    protected __isReadOnly: boolean | undefined;
    protected __resizedEventDestroyEvent: TcHmi.DestroyFunction | null;
    protected __movedEventDestroyEvent: TcHmi.DestroyFunction | null;
    protected __destroyEnumDataSymbolWatch: TcHmi.DestroyFunction | null;
    protected __destroyEnumDataSymbolWrite: TcHmi.DestroyFunction | null;
    /** Interaction has started so we should raise event after it. */
    protected __triggerUIFinishedOnBlur: boolean;
    protected __touches: {
        id: number;
        originalX: number;
        originalY: number;
        element: HTMLElement;
    }[];
    /** Text at focusin time */
    protected __oldText: string | undefined;
    /**
     * If raised, the control object exists in control cache and constructor of each inheritation level was called.
     * This function is only to be used by the System. Other function calls are not intended.
     */
    __previnit(): void;
    /**
     * If raised, all attributes have been set to it's default or dom values.
     * This function is only to be used by the System. Other function calls are not intended.
     */
    __init(): void;
    /**
     * Is called by the system after the control instance gets part of the current DOM.
     * This function is only to be used by the System. Other function calls are not intended.
     */
    __attach(): void;
    /**
     * Is called by the system after the control instance is no longer part of the current DOM.
     * This function is only to be used by the System. Other function calls are not intended.
     */
    __detach(): void;
    /**
     * Destroy the current control instance.
     * Will be called automatically if system destroys control!
     */
    destroy(): void;
    protected __onMousedown(event: MouseEvent): void;
    /**
     * Returns an event handler for the click event of the dropdown elements.
     */
    protected __onItemClick(event: MouseEvent): void;
    /**
     * Is raised if mouse enter to the combobox element.
     */
    protected __onMouseEnter(event: MouseEvent): void;
    /**
     * Is raised if mouse leave the combobox element.
     */
    protected __onMouseLeave(event: MouseEvent): void;
    /**
     * Returns an event handler for the touchstart event.
     */
    protected __onTouchstart(event: TouchEvent): void;
    /**
     * Adds or removes the hover class to the given combobox item.
     * @param element The element representing the combobox item.
     * @param hover Whether to add or remove the hover class.
     */
    protected __hoverComboboxItem(element: HTMLElement, hover: boolean): void;
    /**
     * Handle submit on keydown
     */
    protected __onKeydownTextbox(event: KeyboardEvent): void;
    /**
     * Handle value change on "input" to support virtual keyboards on mobile devices
     * which caches the value while editing (iOS for example)
     * input is fired when the keys has changed text
     */
    protected __onInputTextbox(_event: Event): void;
    /**
     * Is raised if text is pasted into the underlying input element.
     */
    protected __onPasteTextbox(_event: Event): void;
    /**
     * Is raised if text is cut from the underlying input element.
     */
    protected __onCutTextbox(_event: Event): void;
    /**
     * Is raised if the underlying input element gets the focus.
     */
    protected __onFocusInTextbox(event: FocusEvent): void;
    /**
     * Is raised if the underlying input element has lost its focus.
     */
    protected __onFocusOutTextbox(event: FocusEvent): void;
    /**
     * Performs the steps after a focusout event was received.
     * @param event The focusout event.
     */
    protected __performFocusOut(event: Event): void;
    /**
     * Is raised after successful interaction with a TcHmiKeyboard control with indirect input.
     */
    protected __onIndirectInputFinished(_event: Event): void;
    /**
     * Is raised after canceled interaction with a TcHmiKeyboard control with indirect input.
     * @param event
     */
    protected __onIndirectInputCanceled(event: Event): void;
    /**
     * Sets the value of the member variable "comboboxtext" if the new value is not equal to the current value
     * and calls the associated __process function (__processComboboxText) after that.
     * @param valueNew The new value for comboboxtext.
     */
    setComboboxText(valueNew: string | null): void;
    /**
     * Returns the current value of the member variable comboboxtext.
     */
    getComboboxText(): string | undefined;
    /**
     * __processes the current value of comboboxtext and forwards it to the target span element in template html.
     */
    protected __processComboboxText(): void;
    /**
     * Sets the textHorizontalAlignment value and calls the associated process function (processTextHorizontalAlignment).
     * @param valueNew The new value for textHorizontalAlignment.
     */
    setTextHorizontalAlignment(valueNew: TcHmi.HorizontalAlignment | null): void;
    /**
     * Returns the current value of horizontalTextAligment.
     * @returns The current value of horizontalTextAligment.
     */
    getTextHorizontalAlignment(): TcHmi.HorizontalAlignment | null | undefined;
    /**
     * Processes the current textHorizontalAlignment attribute value.
     */
    protected __processTextHorizontalAlignment(): void;
    /**
     * Sets the contentPadding value and calls the associated process function (processContentPadding) after it.
     * @param valueNew The new value for the contentPadding attribute as object.
     */
    setContentPadding(valueNew: TcHmi.FourSidedCss | null): void;
    /**
     * The watch callback for the contentPadding object resolver.
     */
    protected __onResolverForContentPaddingWatchCallback(data: TcHmi.Symbol.ObjectResolver.IWatchResultObject<TcHmi.FourSidedCss>): void;
    /**
     * Returns the current contentPadding value.
     * @returns The current value of the contentPadding member variable as json in string format.
     */
    getContentPadding(): TcHmi.FourSidedCss | null | undefined;
    /**
     * Processes the current contentPadding attribute.
     */
    __processContentPadding(): void;
    /**
     * Processes the current background attribute.
     */
    protected __processBackgroundColor(): void;
    /**
     * Sets the text color and calls the associated process function (processDropDownHighlightColor).
     * @param valueNew The new value for dropDownHighlightColor.
     */
    setDropDownHighlightColor(valueNew: TcHmi.SolidColor | null): void;
    /**
     * The watch callback for the dropDownHighlightColor object resolver.
     */
    protected __onResolverForDropDownHighlightColorWatchCallback(data: TcHmi.Symbol.ObjectResolver.IWatchResultObject<TcHmi.SolidColor>): void;
    /**
     * Returns the current value of dropDownHighlightColor.
     * @returns The current value of dropDownHighlightColor.
     */
    getDropDownHighlightColor(): TcHmi.SolidColor | null | undefined;
    /**
     * Processes the current dropDownHighlightColor attribute value.
     */
    protected __processDropDownHighlightColor(): void;
    /**
     * Sets the text color and calls the associated process function (processDropDownHighlightTextColor).
     * @param valueNew The new value for dropDownHighlightTextColor.
     */
    setDropDownHighlightTextColor(valueNew: TcHmi.SolidColor | null): void;
    /**
     * The watch callback for the dropDownHighlightTextColor object resolver.
     */
    protected __onResolverForDropDownHighlightTextColorWatchCallback(data: TcHmi.Symbol.ObjectResolver.IWatchResultObject<TcHmi.SolidColor>): void;
    /**
     * Returns the current value of dropDownHighlightTextColor.
     * @returns The current value of dropDownHighlightTextColor.
     */
    getDropDownHighlightTextColor(): TcHmi.SolidColor | null | undefined;
    /**
     * Processes the current dropDownHighlightTextColor attribute value.
     */
    protected __processDropDownHighlightTextColor(): void;
    /**
     * Sets the toggle button background color and calls the associated process function (processDropDownToggleButtonBackgroundColor).
     * @param valueNew The new value for dropDownToggleButtonBackgroundColor.
     */
    setDropDownToggleButtonBackgroundColor(valueNew: TcHmi.Color | null): void;
    /**
     * The watch callback for the dropDownToggleButtonBackgroundColor object resolver.
     */
    protected __onResolverForDropDownToggleButtonBackgroundColorWatchCallback(data: TcHmi.Symbol.ObjectResolver.IWatchResultObject<TcHmi.Color>): void;
    /**
     * Returns the current value of dropDownToggleButtonBackgroundColor.
     * @returns The current value of dropDownToggleButtonBackgroundColor.
     */
    getDropDownToggleButtonBackgroundColor(): TcHmi.Color | null | undefined;
    /**
     * Processes the current dropDownToggleButtonBackgroundColor attribute value.
     */
    protected __processDropDownToggleButtonBackgroundColor(): void;
    /**
     * Sets the toggle button arrow color and calls the associated process function (processDropDownToggleButtonArrowColor).
     * @param valueNew The new value for dropDownToggleButtonArrowColor.
     */
    setDropDownToggleButtonArrowColor(valueNew: TcHmi.SolidColor | null): void;
    /**
     * The watch callback for the dropDownToggleButtonArrowColor object resolver.
     */
    protected __onResolverForDropDownToggleButtonArrowColorWatchCallback(data: TcHmi.Symbol.ObjectResolver.IWatchResultObject<TcHmi.SolidColor>): void;
    /**
     * Returns the current value of dropDownToggleButtonArrowColor.
     * @returns The current value of dropDownToggleButtonArrowColor.
     */
    getDropDownToggleButtonArrowColor(): TcHmi.SolidColor | null | undefined;
    /**
     * Processes the current dropDownToggleButtonArrowColor attribute value.
     */
    protected __processDropDownToggleButtonArrowColor(): void;
    /**
     * Sets the text color and calls the associated process function (processTextColor).
     * @param valueNew The new value for textColor.
     */
    setTextColor(valueNew: TcHmi.SolidColor | null): void;
    /**
     * The watch callback for the textColor object resolver.
     */
    protected __onResolverForTextColorWatchCallback(data: TcHmi.Symbol.ObjectResolver.IWatchResultObject<TcHmi.SolidColor>): void;
    /**
     * Returns the current value of textColor.
     * @returns The current value of textColor.
     */
    getTextColor(): TcHmi.SolidColor | null | undefined;
    /**
     * Processes the current textColor attribute value.
     */
    protected __processTextColor(): void;
    /**
     * Sets the font size and calls the associated process function (processTextFontSize).
     * @param valueNew The new value for textFontSize.
     */
    setTextFontSize(valueNew: number | null): void;
    /**
     * Returns the current value of textFontSize.
     * @returns The current value of textFontSize.
     */
    getTextFontSize(): number | undefined;
    /**
     * Processes the current textFontSize attribute value.
     */
    protected __processTextFontSize(): void;
    /**
     * Sets the font size unit and calls the associated process function (processTextFontSizeUnit).
     * @param valueNew The new value for textFontSizeUnit.
     */
    setTextFontSizeUnit(valueNew: TcHmi.FontSizeUnit | null): void;
    /**
     * Returns the current value of textFontSizeUnit.
     * @returns The current value of textFontSizeUnit.
     */
    getTextFontSizeUnit(): TcHmi.FontSizeUnit | undefined;
    /**
     * Processes the current textFontSizeUnit attribute value.
     */
    protected __processTextFontSizeUnit(): void;
    /**
     * Sets the font family and calls the associated process function (processTextFontFamily).
     * @param valueNew The new value for textFontFamily.
     */
    setTextFontFamily(valueNew: TcHmi.FontFamily | null): void;
    /**
     * Returns the current value of textFontFamily.
     * @returns The current value of textFontFamily.
     */
    getTextFontFamily(): string | null | undefined;
    /**
     * Processes the current textFontFamily attribute value.
     */
    protected __processTextFontFamily(): void;
    /**
     * Sets the font style and calls the associated process function (processTextFontStyle).
     * @param valueNew The new value for textFontStyle.
     */
    setTextFontStyle(valueNew: TcHmi.FontStyle | null): void;
    /**
     * Returns the current value of textFontStyle.
     * @returns The current value of textFontStyle.
     */
    getTextFontStyle(): TcHmi.FontStyle | undefined;
    /**
     * Processes the current textFontStyle attribute value.
     */
    protected __processTextFontStyle(): void;
    /**
     * Sets the font weight and calls the associated process function (processTextFontWeight).
     * @param valueNew The new value for textFontWeight.
     */
    setTextFontWeight(valueNew: TcHmi.FontWeight | null): void;
    /**
     * Returns the current value of textFontWeight.
     * @returns The current value of textFontWeight.
     */
    getTextFontWeight(): TcHmi.FontWeight | undefined;
    /**
     * Processes the current textFontWeight attribute value.
     */
    protected __processTextFontWeight(): void;
    /**
     * Sets the auto focus out attribute and calls the associated process function (processAutoFocusOut).
     * @param valueNew The new value for autoFocusOut.
     */
    setAutoFocusOut(valueNew: boolean | null): void;
    /**
     * Returns the current value of autoFocusOut.
     */
    getAutoFocusOut(): boolean | undefined;
    /**
     * Sets the auto select text attribute and calls the associated process function (processAutoSelectText).
     * @param valueNew The new value for autoSelectText.
     */
    setAutoSelectText(valueNew: boolean | null): void;
    /**
     * Returns the current value of autoSelectText.
     */
    getAutoSelectText(): boolean | undefined;
    /**
     * Sets the value of the member variable "srcData" if the new value is not equal to the current value
     * and calls the associated __process function (__processSrcData) after that.
     * @param valueNew The new value for srcData.
     */
    setSrcData(valueNew: D | null): void;
    /**
     * The watch callback for the srcData object resolver.
     */
    protected __onResolverForSrcDataWatchCallback(data: TcHmi.Symbol.ObjectResolver.IWatchResultObject<D>): void;
    /**
     * Returns the current value of the member variable SrcData.
     */
    getSrcData(): D | null | undefined;
    /**
     * Processes the current srcData attribute value.
     * @param forwardToEnumDataSymbol Whether the currently selected value should be written to the enum data symbol.
     */
    protected __processSrcData(forwardToEnumDataSymbol: boolean): void;
    /**
     * @param valueNew
     */
    setEnumDataSymbol(valueNew: TcHmi.Symbol<T[]> | null): void;
    /**
     */
    getEnumDataSymbol(): TcHmi.Symbol<T[]> | null | undefined;
    protected __processEnumDataSymbol(): void;
    protected __processEnumDataSymbolSchema(expression: TcHmi.SymbolExpression, expressionResolved?: TcHmi.SymbolExpression): void;
    protected __processEnumDataSymbolCurrentValue(): void;
    protected __onEnumDataSymbolWatch(data: TcHmi.Symbol.IReadResultObject<number>): void;
    protected __onDocumentClick(event: MouseEvent): void;
    protected __resizeDropDownboxCb(): void;
    /**
     * Shows the drop down menu of the comboxbox.
     */
    open(): void;
    /**
     * Hides the drop down menu of the comboxbox.
     */
    close(): void;
    /**
     * Set or toggle the drop down visibility
     * @param valueNew
     */
    protected __setDropDownboxOpen(valueNew?: boolean): void;
    /**
     * Populates the dropdown list with elements specified in __data
     * Clears drop down if list is empty
     */
    protected __fillDropdown(): void;
    /**
     * Sets the value of the member variable "dataHeight" if the new value is not equal to the current value
     * and calls the associated __process function (__processDataHeight) after that.
     * @param valueNew The new value for dataHeight.
     */
    setDataHeight(valueNew: number | null): void;
    /**
     * Returns the current value of the member variable dataHeight.
     */
    getDataHeight(): number | undefined;
    /**
     * __processes the current value of dataHeight.
     */
    protected __processDataHeight(): void;
    /**
     * DEPRECATED! BorderWidthUnit is always 'px'. This function exists purely to avoid errors in existing projects.
     * @deprecated BorderWidthUnit is always 'px'.
     */
    setDataHeightUnit(valueNew: TcHmi.DimensionUnit | null): void;
    /**
     * Returns the current value of the member variable dataHeight.
     */
    getDataHeightUnit(): string;
    /**
     * __processes the current value of dataHeight.
     */
    protected __processDataHeightUnit(): void;
    /**
     * Sets the value of the member variable "maxListHeight" if the new value is not equal to the current value
     * and calls the associated process function (processmaxListHeight) after that.
     * @param valueNew The new value for maxListHeight.
     */
    setMaxListHeight(valueNew: number | null): void;
    /**
     * Returns the current value of the member variable maxListHeight.
     */
    getMaxListHeight(): number | undefined;
    /**
     * Processes the current value of maxListHeight.
     */
    protected __processMaxListHeight(): void;
    /**
     * DEPRECATED! BorderWidthUnit is always 'px'. This function exists purely to avoid errors in existing projects.
     * @deprecated BorderWidthUnit is always 'px'.
     */
    setMaxListHeightUnit(valueNew: TcHmi.DimensionUnit | null): void;
    /**
     * Returns the current value of the member variable dataHeight.
     */
    getMaxListHeightUnit(): string;
    /**
     * __processes the current value of dataHeight.
     */
    protected __processMaxListHeightUnit(): void;
    /**
     * Sets the value of the member variable "DropDownStyle" if the new value is not equal to the current value
     * and calls the associated __process function (__processmaxListHeightUnit) after that.
     * @param valueNew The new value for dataHeight.
     */
    setDropDownStyle(valueNew: DropDownStyle | keyof typeof DropDownStyle | null): void;
    /**
     * Returns the current value of the member variable DropDownStyle.
     */
    getDropDownStyle(): "Classic" | "Mobile" | undefined;
    /**
     * __processes the current value of DropDownStyle.
     */
    protected __processDropDownStyle(): void;
    /**
     * Sets the value of the member variable "ImagePosition" if the new value is not equal to the current value
     * and calls the associated __process function (__processmaxListHeightUnit) after that.
     * @param valueNew The new value for dataHeight.
     */
    setImagePosition(valueNew: ImagePosition | keyof typeof ImagePosition | null): void;
    /**
     * Returns the current value of the member variable ImagePosition.
     */
    getImagePosition(): "LeftOfText" | "RightOfText" | undefined;
    /**
     * __processes the current value of ImagePosition.
     */
    protected __processImagePosition(): void;
    /**
     * Gets the selected value
     */
    getSelectedValue(): null | T;
    /**
     * Gets the selected Text.
     * Use getText() instead.
     * @deprecated Use getText() instead.
     */
    getSelectedText(): string | null;
    /**
     * Gets the entered or selected Text
     */
    getText(): string | null | undefined;
    /**
     * Sets the selected index and calls the __processSelectedIndex function
     * @param valueNew The new value
     */
    setSelectedIndex(valueNew: number | null): void;
    /**
     * Gets the selected index
     */
    getSelectedIndex(): number | null | undefined;
    /**
     * Sets the selected index and calls the __processSelectedIndex function
     * @param valueNew The new value
     * @param forwardToEnumDataSymbol Whether the currently selected value should be written to the enum data symbol.
     * @param forwardToSelectedId Whether the corresponding selected id should be set.
     */
    protected __setSelectedIndex(valueNew: number | null, forwardToEnumDataSymbol?: boolean, forwardToSelectedId?: boolean): void;
    /**
     * Processes the selected index
     */
    protected __processSelectedIndex(forwardToEnumDataSymbol: boolean, forwardToSelectedId: boolean): void;
    /**
     * Sets the selected id and calls the __processSelectedId function
     * @param valueNew The new value
     */
    setSelectedId(valueNew: number | null): void;
    /**
     * Sets the selected id and calls the __processSelectedId function
     * @param valueNew The new value
     * @param forwardToSelectedIndex Whether the corresponding selected index should be set.
     */
    protected __setSelectedId(valueNew: number | null, forwardToSelectedIndex?: boolean): void;
    /**
     * Gets the selected id
     */
    getSelectedId(): number | null | undefined;
    /**
     * Processes the selected Id
     */
    protected __processSelectedId(forwardToSelectedIndex: boolean): void;
    /**
     * Sets the font size and calls the associated process function (processDropDownFontSize).
     * @param valueNew The new value for DropDownFontSize.
     */
    setDropDownFontSize(valueNew: number | null): void;
    /**
     * Returns the current value of DropDownFontSize.
     * @returns The current value of DropDownFontSize.
     */
    getDropDownFontSize(): number | undefined;
    /**
     * Processes the current DropDownFontSize attribute value.
     */
    protected __processDropDownFontSize(): void;
    /**
     * Sets the font size unit and calls the associated process function (processDropDownFontSizeUnit).
     * @param valueNew The new value for DropDownFontSizeUnit.
     */
    setDropDownFontSizeUnit(valueNew: TcHmi.FontSizeUnit | null): void;
    /**
     * Returns the current value of DropDownFontSizeUnit.
     * @returns The current value of DropDownFontSizeUnit.
     */
    getDropDownFontSizeUnit(): TcHmi.FontSizeUnit | undefined;
    /**
     * Processes the current DropDownFontSizeUnit attribute value.
     */
    protected __processDropDownFontSizeUnit(): void;
    /**
     * Sets the font family and calls the associated process function (processDropDownFontFamily).
     * @param valueNew The new value for DropDownFontFamily.
     */
    setDropDownFontFamily(valueNew: TcHmi.FontFamily | null): void;
    /**
     * Returns the current value of DropDownFontFamily.
     * @returns The current value of DropDownFontFamily.
     */
    getDropDownFontFamily(): string | null | undefined;
    /**
     * Processes the current DropDownFontFamily attribute value.
     */
    protected __processDropDownFontFamily(): void;
    /**
     * Sets the font style and calls the associated process function (processDropDownFontStyle).
     * @param valueNew The new value for DropDownFontStyle.
     */
    setDropDownFontStyle(valueNew: TcHmi.FontStyle | null): void;
    /**
     * Returns the current value of DropDownFontStyle.
     * @returns The current value of DropDownFontStyle.
     */
    getDropDownFontStyle(): TcHmi.FontStyle | undefined;
    /**
     * Processes the current DropDownFontStyle attribute value.
     */
    protected __processDropDownFontStyle(): void;
    /**
     * Sets the font weight and calls the associated process function (processDropDownFontWeight).
     * @param valueNew The new value for DropDownFontWeight.
     */
    setDropDownFontWeight(valueNew: TcHmi.FontWeight | null): void;
    /**
     * Returns the current value of DropDownFontWeight.
     * @returns The current value of DropDownFontWeight.
     */
    getDropDownFontWeight(): TcHmi.FontWeight | undefined;
    /**
     * Processes the current DropDownFontWeight attribute value.
     */
    protected __processDropDownFontWeight(): void;
    /**
     * Sets the DropDownHorizontalAlignment value and calls the associated process function (processDropDownHorizontalAlignment).
     * @param valueNew The new value for DropDownHorizontalAlignment.
     */
    setDropDownHorizontalAlignment(valueNew: TcHmi.HorizontalAlignment | null): void;
    /**
     * Returns the current value of horizontalDropDownAligment.
     * @returns The current value of horizontalDropDownAligment.
     */
    getDropDownHorizontalAlignment(): TcHmi.HorizontalAlignment | undefined;
    /**
     * Processes the current DropDownHorizontalAlignment attribute value.
     */
    protected __processDropDownHorizontalAlignment(): void;
    /**
     * Sets the DropDownVerticalAlignment value and calls the associated process function (processDropDownVerticalAlignment).
     * @param valueNew The new value for DropDownVerticalAlignment.
     */
    setDropDownVerticalAlignment(valueNew: TcHmi.VerticalAlignment | null): void;
    /**
     * Returns the current value of DropDownVerticalAlignment.
     * @returns The current value of DropDownVerticalAlignment.
     */
    getDropDownVerticalAlignment(): TcHmi.VerticalAlignment | undefined;
    /**
     * Processes the current DropDownVerticalAlignment attribute value.
     */
    protected __processDropDownVerticalAlignment(): void;
    /**
     * Sets the DropDown color and calls the associated process function (processDropDownTextColor).
     * @param valueNew The new value for DropDownTextColor.
     */
    setDropDownTextColor(valueNew: TcHmi.SolidColor | null): void;
    /**
     * The watch callback for the dropDownTextColor object resolver.
     */
    protected __onResolverForDropDownTextColorWatchCallback(data: TcHmi.Symbol.ObjectResolver.IWatchResultObject<TcHmi.SolidColor>): void;
    /**
     * Returns the current value of DropDownTextColor.
     * @returns The current value of DropDownTextColor.
     */
    getDropDownTextColor(): TcHmi.SolidColor | null | undefined;
    /**
     * Processes the current DropDownTextColor attribute value.
     */
    protected __processDropDownTextColor(): void;
    /**
     * Sets the toggle button background color and calls the associated process function (processDropDownBackgroundColor).
     * @param valueNew The new value for dropDownBackgroundColor.
     */
    setDropDownBackgroundColor(valueNew: TcHmi.Color | null): void;
    /**
     * The watch callback for the dropDownBackgroundColor object resolver.
     */
    protected __onResolverForDropDownBackgroundColorWatchCallback(data: TcHmi.Symbol.ObjectResolver.IWatchResultObject<TcHmi.Color>): void;
    /**
     * Returns the current value of dropDownBackgroundColor.
     * @returns The current value of dropDownBackgroundColor.
     */
    getDropDownBackgroundColor(): TcHmi.Color | null | undefined;
    /**
     * Processes the current dropDownBackgroundColor attribute value.
     */
    protected __processDropDownBackgroundColor(): void;
    /**
     * Sets the allowTextInput attribute.
     * @param valueNew The new value for allowTextInput.
     */
    setAllowTextInput(valueNew: boolean | null): void;
    /**
     * Returns the current value of allowTextInput.
     * @returns The current value of allowTextInput.
     */
    getAllowTextInput(): boolean | undefined;
    /**
     * Processes the current value of attribute allowTextInput.
     */
    protected __processAllowTextInput(): void;
    /**
     * Sets the value of the member variable "text" if the new value is not equal to the current value
     * or the current control instance is locked and calls the associated process function (processText) after that.
     * @param valueNew The new value for text.
     */
    setText(valueNew: string | null | undefined): void;
    /**
     * Sets the value of the member variable "text" regardless of lock.
     * @param valueNew The new value for text
     */
    protected __setText(valueNew: string | null | undefined): void;
    /**
     * Processes the current value of text and forwards it to the value attribute of the underlying input variable.
     * The current value of text is only forwarded if it is no binding expression.
     */
    protected __processText(): void;
    /**
     * Sets the inputProcessingPoint attribute.
     * @param valueNew The new value for inputProcessingPoint.
     */
    setInputProcessingPoint(valueNew: InputProcessingPoint | keyof typeof InputProcessingPoint | null): void;
    /**
     * Returns the current value of inputProcessingPoint.
     * @returns The current value of inputProcessingPoint.
     */
    getInputProcessingPoint(): InputProcessingPoint | undefined;
    /**
     * Processes the current InputProcessingPoint attribute value.
     */
    __processInputProcessingPoint(): void;
    /**
     * Sets the value of the member variable SystemKeyboardInputMode.
     * @param valueNew The new value for SystemKeyboardInputMode.
     */
    setSystemKeyboardInputMode(valueNew: TcHmi.Keyboard.KeyboardInputMode | null): void;
    /**
     * Returns the current value of the member variable text.
     * @returns the current value of the member variable text.
     */
    getSystemKeyboardInputMode(): string | undefined;
    protected __processSystemKeyboardInputMode(): void;
    /**
     * Sets the value of the member variable IgnoreEscapeSequences.
     * @param valueNew The new value for IgnoreEscapeSequences
     */
    setIgnoreEscapeSequences(valueNew: boolean | null | undefined): void;
    protected __processIgnoreEscapeSequences(): void;
    /**
     * Returns the current value of IgnoreEscapeSequences.
     * @returns The current value of IgnoreEscapeSequences.
     */
    getIgnoreEscapeSequences(): boolean | undefined;
    /**
     * Sets the value of the member variable ShowSelectedImage.
     * @param valueNew The new value for ShowSelectedImage
     */
    setShowSelectedImage(valueNew: boolean | null | undefined): void;
    /**
     * Returns the current value of ShowSelectedImage.
     * @returns The current value of ShowSelectedImage.
     */
    getShowSelectedImage(): boolean | undefined;
    protected __processShowSelectedImage(): void;
    /** Lock handling */
    /**
     * Lock the control. Calls to setText will be ignored until control is unlocked.
     */
    __lock(): void;
    /**
     * Unlocks the control.
     */
    __unlock(): void;
    /**
     * Checks if the Control is deactivated and adjusts the visualization
     */
    protected __processControlActivation(): void;
    /**
     * Processes the current isEnabled attribute value.
     */
    __processIsEnabled(): void;
    /**
     * Processes the current AccessConfig attribute value.
     */
    __processAccessConfig(): void;
    /**
     * Sets the isReadOnly attribute and calls the associated process function (processIsReadOnly).
     * @preserve (Part of the public API)
     */
    setIsReadOnly(valueNew: boolean | null): void;
    /**
     * Returns the effective value of isReadOnly based on own and parent isReadOnly variable.
     */
    getIsReadOnly(): boolean | undefined;
    /**
     * Process IsReadOnly.
     */
    protected __processIsReadOnly(): void;
    /**
     * Sets the text color of the drop down category and calls the associated process function (processDropDownCategoryTextColor).
     * @param valueNew The new value for dropDownCategoryTextColor.
     */
    setDropDownCategoryTextColor(valueNew: TcHmi.SolidColor | null): void;
    /**
     * The watch callback for the dropDownCategoryTextColor object resolver.
     */
    protected __onResolverForDropDownCategoryTextColorWatchCallback(data: TcHmi.Symbol.ObjectResolver.IWatchResultObject<TcHmi.SolidColor>): void;
    /**
     * Returns the current value of dropDownCategoryTextColor.
     * @returns The current value of dropDownCategoryTextColor.
     */
    getDropDownCategoryTextColor(): TcHmi.SolidColor | null | undefined;
    /**
     * Processes the current dropDownCategoryTextColor attribute value.
     */
    protected __processDropDownCategoryTextColor(): void;
    /**
     * Sets the toggle button background color and calls the associated process function (processDropDownCategoryBackgroundColor).
     * @param valueNew The new value for dropDownBackgroundColor.
     */
    setDropDownCategoryBackgroundColor(valueNew: TcHmi.Color | null): void;
    /**
     * The watch callback for the dropDownCategoryBackgroundColor object resolver.
     */
    protected __onResolverForDropDownCategoryBackgroundColorWatchCallback(data: TcHmi.Symbol.ObjectResolver.IWatchResultObject<TcHmi.Color>): void;
    /**
     * Returns the current value of dropDownCategoryBackgroundColor.
     * @returns The current value of dropDownCategoryBackgroundColor.
     */
    getDropDownCategoryBackgroundColor(): TcHmi.Color | null | undefined;
    /**
     * Processes the current dropDownCategoryBackgroundColor attribute value.
     */
    protected __processDropDownCategoryBackgroundColor(): void;
    /**
     * Sets the font size and calls the associated process function (processDropDownCategoryFontSize).
     * @param valueNew The new value for dropDownCategoryFontSize.
     */
    setDropDownCategoryFontSize(valueNew: number | null): void;
    /**
     * Returns the current value of DropDownCategoryFontSize.
     * @returns The current value of DropDownCategoryFontSize.
     */
    getDropDownCategoryFontSize(): number | undefined;
    /**
     * Processes the current DropDownCategoryFontSize attribute value.
     */
    protected __processDropDownCategoryFontSize(): void;
    /**
     * Sets the font size unit and calls the associated process function (processDropDownCategoryFontSizeUnit).
     * @param valueNew The new value for DropDownCategoryFontSizeUnit.
     */
    setDropDownCategoryFontSizeUnit(valueNew: TcHmi.FontSizeUnit | null): void;
    /**
     * Returns the current value of DropDownCategoryFontSizeUnit.
     * @returns The current value of DropDownCategoryFontSizeUnit.
     */
    getDropDownCategoryFontSizeUnit(): TcHmi.FontSizeUnit | undefined;
    /**
     * Processes the current DropDownCategoryFontSizeUnit attribute value.
     */
    protected __processDropDownCategoryFontSizeUnit(): void;
    /**
     * Sets the font family and calls the associated process function (processDropDownCategoryFontFamily).
     * @param valueNew The new value for DropDownCategoryFontFamily.
     */
    setDropDownCategoryFontFamily(valueNew: TcHmi.FontFamily | null): void;
    /**
     * Returns the current value of DropDownCategoryFontFamily.
     * @returns The current value of DropDownCategoryFontFamily.
     */
    getDropDownCategoryFontFamily(): string | null | undefined;
    /**
     * Processes the current DropDownCategoryFontFamily attribute value.
     */
    protected __processDropDownCategoryFontFamily(): void;
    /**
     * Sets the font style and calls the associated process function (processDropDownCategoryFontStyle).
     * @param valueNew The new value for DropDownCategoryFontStyle.
     */
    setDropDownCategoryFontStyle(valueNew: TcHmi.FontStyle | null): void;
    /**
     * Returns the current value of DropDownCategoryFontStyle.
     * @returns The current value of DropDownCategoryFontStyle.
     */
    getDropDownCategoryFontStyle(): TcHmi.FontStyle | undefined;
    /**
     * Processes the current DropDownCategoryFontStyle attribute value.
     */
    protected __processDropDownCategoryFontStyle(): void;
    /**
     * Sets the font weight and calls the associated process function (processDropDownCategoryFontWeight).
     * @param valueNew The new value for DropDownCategoryFontWeight.
     */
    setDropDownCategoryFontWeight(valueNew: TcHmi.FontWeight | null): void;
    /**
     * Returns the current value of DropDownCategoryFontWeight.
     * @returns The current value of DropDownCategoryFontWeight.
     */
    getDropDownCategoryFontWeight(): TcHmi.FontWeight | undefined;
    /**
     * Processes the current DropDownCategoryFontWeight attribute value.
     */
    protected __processDropDownCategoryFontWeight(): void;
    /**
     * Sets the DropDownCategoryHorizontalAlignment value and calls the associated process function (processDropDownCategoryHorizontalAlignment).
     * @param valueNew The new value for DropDownCategoryHorizontalAlignment.
     */
    setDropDownCategoryHorizontalAlignment(valueNew: TcHmi.HorizontalAlignment | null): void;
    /**
     * Returns the current value of horizontalDropDownCategoryAligment.
     * @returns The current value of horizontalDropDownCategoryAligment.
     */
    getDropDownCategoryHorizontalAlignment(): TcHmi.HorizontalAlignment | undefined;
    /**
     * Processes the current DropDownCategoryHorizontalAlignment attribute value.
     */
    protected __processDropDownCategoryHorizontalAlignment(): void;
    /**
     * Sets the DropDownCategoryVerticalAlignment value and calls the associated process function (processDropDownCategoryVerticalAlignment).
     * @param valueNew The new value for DropDownCategoryVerticalAlignment.
     */
    setDropDownCategoryVerticalAlignment(valueNew: TcHmi.VerticalAlignment | null): void;
    /**
     * Returns the current value of DropDownCategoryVerticalAlignment.
     * @returns The current value of DropDownCategoryVerticalAlignment.
     */
    getDropDownCategoryVerticalAlignment(): TcHmi.VerticalAlignment | undefined;
    /**
     * Processes the current DropDownCategoryVerticalAlignment attribute value.
     */
    protected __processDropDownCategoryVerticalAlignment(): void;
    /**
     * Sets the focus to the html input element if text input is allowed.
     */
    focus(): void;
    static DropDownStyle: typeof DropDownStyle;
    static ImagePosition: typeof ImagePosition;
}
export type ListItem<T extends null | string | number | boolean | object | undefined = any> = T extends null | string | number | boolean | object | undefined ? ListItemGeneric<T> : ListItemLegacy;
export interface ListItemLegacy {
    id?: number;
    text: string;
    value?: any;
    category?: string;
    image?: string;
}
export interface ListItemGeneric<T> extends ListItemLegacy {
    value: T;
    image?: string;
}
export { TcHmiCombobox as Control };
declare const _TcHmiCombobox: typeof TcHmiCombobox;
type tTcHmiCombobox<T extends any = any, D extends tListItemGeneric<T>[] | T[] | TcHmi.Dictionary<T> = tListItemGeneric<T>[] | T[] | TcHmi.Dictionary<T>> = TcHmiCombobox<T, D>;
type tDropDownStyle = DropDownStyle;
type tImagePosition = ImagePosition;
type tListItem<T extends null | string | number | boolean | object | undefined = any> = ListItem<T>;
type tListItemLegacy = ListItemLegacy;
type tListItemGeneric<T> = ListItemGeneric<T>;
declare global {
    namespace TcHmi.Controls.Beckhoff {
        const TcHmiCombobox: typeof _TcHmiCombobox;
        type TcHmiCombobox<T extends any = any, D extends tListItemGeneric<T>[] | T[] | TcHmi.Dictionary<T> = tListItemGeneric<T>[] | T[] | TcHmi.Dictionary<T>> = tTcHmiCombobox<T, D>;
        namespace TcHmiCombobox {
            type DropDownStyle = tDropDownStyle;
            type ImagePosition = tImagePosition;
            type ListItem<T extends null | string | number | boolean | object | undefined = any> = tListItem<T>;
            type ListItemLegacy = tListItemLegacy;
            type ListItemGeneric<T> = tListItemGeneric<T>;
        }
    }
}