import { PdfField } from './form/field';
import { PdfDestination, PdfPage } from './pdf-page';
import { _PdfDictionary } from './pdf-primitives';
/**
 * Represents base class for all action types.
 * ```typescript
 * // Load an existing PDF document
 * let document: PdfDocument = new PdfDocument(data);
 * // Access button field
 * let field: PdfButtonField = document.form.fieldAt(0) as PdfButtonField;
 * // Access the second page
 * let secondPage: PdfPage = document.getPage(2);
 * // Create a PdfDestination for the specified page
 * let destination: PdfDestination = new PdfDestination(secondPage)
 * // Create a new PdfGoToAction with the specified destination
 * let gotoAction: PdfGoToAction = new PdfGoToAction(destination);
 * // Get the GoTo action to the mouse enter property of the button field
 * let pdfAction: PdfAction = field.actions.mouseEnter;
 * // Save the document
 * document.save('output.pdf');
 * // Destroy the document
 * document.destroy();
 */
export declare class PdfAction {
    /**
     * Holds the underlying PDF dictionary for the action.
     *
     * @private
     */
    _dictionary: _PdfDictionary;
    /**
     * Holds the page associated with the action (used for destinations).
     *
     * @private
     */
    _page: PdfPage;
    /**
     * Reference to the next action to be executed.
     *
     * @private
     */
    _next: PdfAction;
    /**
     * Initializes the internal action dictionary and type.
     *
     * @private
     * @returns {void} nothing.
     */
    _initialize(): void;
    /**
     * Get the next action to be performed after the action represented by this instance.
     *
     * @returns {PdfAction} The next action to be executed.
     *
     * Represents an action which goes to a destination in the current document.
     * ```typescript
     * // Load an existing PDF document
     * let document: PdfDocument = new PdfDocument(data);
     * // Access button field
     * let field: PdfButtonField = document.form.fieldAt(0) as PdfButtonField;
     * // Access the page1
     * let Page1: PdfPage = document.getPage(1);
     * // Create a PdfGoToAction for navigating to the specified page.
     * let action: PdfGoToAction = new PdfGoToAction(page1);
     * // Set the destination page for the action
     * action.destination = new PdfDestination(secondPage);
     * // Set the GoTo action to the mouse enter property of the button field
     * field1.actions.mouseEnter = action1;
     * // Access the page
     * let page: PdfPage = document.getPage(2);
     * // Access button field
     * let field1: PdfButtonField = document.form.fieldAt(1) as PdfButtonField;
     * // Create a new GoTo action with the specified page
     * let gotoAction: PdfGoToAction = new PdfGoToAction(page);
     * // Set the next property
     * gotoAction.next = action;
     * // Set the GoTo action to the mouse enter property of the button field
     * field1.actions.mouseEnter = gotoAction;
     * // Save the document
     * document.save('output.pdf');
     * // Destroy the document
     * document.destroy();
     */
    /**
    * Set the next action to be performed after the action represented by this instance.
    *
    * @param {PdfAction} value The next action to be executed.
    *
    * Represents an action which goes to a destination in the current document.
    * ```typescript
    * // Load an existing PDF document
    * let document: PdfDocument = new PdfDocument(data);
    * // Access button field
    * let field: PdfButtonField = document.form.fieldAt(0) as PdfButtonField;
    * // Access the page1
    * let Page1: PdfPage = document.getPage(1);
    * let action: PdfGoToAction = new PdfGoToAction(page1);
    * // Set the destination page for the action
    * action.destination = new PdfDestination(secondPage);
    * // Set the GoTo action to the mouse enter property of the button field
    * field1.actions.mouseEnter = action1;
    * // Access the third page
    * let page: PdfPage = document.getPage(2);
    * // Access button field
    * let field1: PdfButtonField = document.form.fieldAt(1) as PdfButtonField;
    * // Create a new GoTo action with the specified page
    * let gotoAction: PdfGoToAction = new PdfGoToAction(page);
    * // Set the next property
    * gotoAction.next = action;
    * // Set the GoTo action to the mouse enter property of the button field
    * field1.actions.mouseEnter = gotoAction;
    * // Save the document
    * document.save('output.pdf');
    * // Destroy the document
    * document.destroy();
    */
    next: PdfAction;
}
/**
 * Represents a JavaScript action in PDF document.
 *
 * ```typescript
 * // Load an existing PDF document
 * let document: PdfDocument = new PdfDocument(data);
 * // Access text box field
 * let field: PdfTextBoxField = document.form.fieldAt(0) as PdfTextBoxField;
 * // Create a new `PdfJavaScriptAction` for adding the action
 * field.actions.keyPressed = new PdfJavaScriptAction('AFDate_KeystrokeEx("m/d/yy")');
 * field.actions.format = new PdfJavaScriptAction('AFDate_FormatEx("m/d/yy")');
 * field.actions.validate = new PdfJavaScriptAction('AFDate_Validate("m/d/yy")');
 * // Save the document
 * document.save('output.pdf');
 * // Destroy the document
 * document.destroy();
 */
export declare class PdfJavaScriptAction extends PdfAction {
    /**
     * Stores the JavaScript source associated with the action.
     *
     * @private
     */
    _script: string;
    /**
     * Initializes a new instance of the `PdfJavaScriptAction` class with JavaScript code.
     *
     * @param {string} script - A string value representing valid JavaScript code to be executed.
     */
    constructor(script: string);
    /**
     * Gets the JavaScript code to be executed when this action is executed.
     *
     * @returns {string} A string value representing valid JavaScript code to be executed.
     */
    /**
    * Sets the JavaScript code to be executed when this action is executed.
    *
    * @param {string} value A string value representing valid JavaScript code to be executed.
    */
    script: string;
}
/**
 * Represents an action which goes to a destination in the current document.
 *
 * ```typescript
 * // Load an existing PDF document
 * let document: PdfDocument = new PdfDocument(data);
 * // Access button field
 * let field: PdfButtonField = document.form.fieldAt(0) as PdfButtonField;
 * // Access the second page
 * let secondPage: PdfPage = document.getPage(2);
 * // Create a PdfDestination for the specified page
 * let destination: PdfDestination = new PdfDestination(secondPage)
 * // Create a new PdfGoToAction with the specified destination
 * let gotoAction: PdfGoToAction = new PdfGoToAction(destination);
 * // Set the goto action to the button
 * field.actions.mouseEnter = gotoAction;
 * // Save the document
 * document.save('output.pdf');
 * // Destroy the document
 * document.destroy();
 */
export declare class PdfGoToAction extends PdfAction {
    /**
     * Destination to navigate to when the action is executed.
     *
     * @private
     */
    _destination: PdfDestination;
    /**
     * Initializes a new instance of the `PdfGoToAction` class.
     *
     * @param {PdfDestination} destination Destination to navigate.
     *
     * ```typescript
     * // Load an existing PDF document
     * let document: PdfDocument = new PdfDocument(data);
     * // Access button field
     * let field: PdfButtonField = document.form.fieldAt(0) as PdfButtonField;
     * // Access the second page
     * let secondPage: PdfPage = document.getPage(2);
     * // Create a PdfDestination for the specified page
     * let destination: PdfDestination = new PdfDestination(secondPage)
     * // Create a new PdfGoToAction with the specified destination
     * let gotoAction: PdfGoToAction = new PdfGoToAction(destination);
     * // Set the GoTo action to the mouse enter property of the button field
     * field.actions.mouseEnter = gotoAction;
     * // Save the document
     * document.save('output.pdf');
     * // Destroy the document
     * document.destroy();
     */
    constructor(destination: PdfDestination);
    /**
     * Initializes a new instance of the `PdfGoToAction` class.
     *
     * @param {PdfPage} page page to navigate.
     *
     * ```typescript
     * // Load an existing PDF document
     * let document: PdfDocument = new PdfDocument(data);
     * // Access button field
     * let field: PdfButtonField = document.form.fieldAt(0) as PdfButtonField;
     * // Access the page
     * let page: PdfPage = document.getPage(2);
     * // Create a new GoTo action with the specified page
     * let gotoAction: PdfGoToAction = new PdfGoToAction(page);
     * // Set the destination for specified page
     * gotoAction.destination = new PdfDestination(page);
     * // Set the goto action to the button
     * field.actions.mouseEnter = gotoAction;
     * // Save the document
     * document.save('output.pdf');
     * // Destroy the document
     * document.destroy();
     */
    constructor(page: PdfPage);
    /**
     * Get the destination to be navigated.
     *
     * @returns {PdfDestination} The destination to be navigated.
     *
     * ```typescript
     * // Load an existing PDF document
     * let document: PdfDocument = new PdfDocument(data);
     * // Access button field
     * let field: PdfButtonField = document.form.fieldAt(0) as PdfButtonField;
     * // Get the action value from button field
     * let action: PdfAction = field.actions.mouseEnter.destination;
     * // Save the document
     * document.save('output.pdf');
     * // Destroy the document
     * document.destroy();
     * ```
     */
    /**
    * Set the destination to be navigated.
    *
    * @param {PdfDestination} value The destination to be navigated.
    *
    * ```typescript
    * // Load an existing PDF document
    * let document: PdfDocument = new PdfDocument(data);
    * // Access button field
    * let field: PdfButtonField = document.form.fieldAt(0) as PdfButtonField;
    * // Access the second page
    * let secondPage: PdfPage = document.getPage(2);
    * // Create a new GoTo action with the specified page
    * let gotoAction: PdfGoToAction = new PdfGoToAction(secondPage);
    * // Set the destination location within the specified page for the PdfGoToAction
    * gotoAction.Destination = new PdfDestination(secondPage, {x: 0, y: 100});
    * // Set the goto action to the button
    * field.actions.mouseEnter = gotoAction;
    * // Save the document
    * document.save('output.pdf');
    * // Destroy the document
    * document.destroy();
    */
    destination: PdfDestination;
}
/**
 * Represents actions to be performed as response to field events.
 *
 * ```typescript
 * // Load an existing PDF document
 * let document: PdfDocument = new PdfDocument(data);
 * // Access button field
 * let field: PdfButtonField = document.form.fieldAt(0) as PdfButtonField;
 * // Access the second page
 * let secondPage: PdfPage = document.getPage(2);
 * // Create a PdfDestination for the specified page
 * let destination: PdfDestination = new PdfDestination(secondPage)
 * // Create a new PdfGoToAction with the specified destination
 * let gotoAction: PdfGoToAction = new PdfGoToAction(destination);
 * // Get the pdf field actions
 * let fieldActions: PdfFieldActions = field.actions;
 * // Save the document
 * document.save('output.pdf');
 * // Destroy the document
 * document.destroy();
 */
export declare class PdfFieldActions {
    /**
     * Cached action invoked when the mouse enters the field.
     *
     * @private
     */
    _mouseEnter: PdfAction;
    /**
     * Cached action invoked when the mouse leaves the field.
     *
     * @private
     */
    _mouseLeave: PdfAction;
    /**
     * Cached action invoked on mouse button release within the field.
     *
     * @private
     */
    _mouseUp: PdfAction;
    /**
     * Cached action invoked on mouse button press within the field.
     *
     * @private
     */
    _mouseDown: PdfAction;
    /**
     * Cached action invoked when the field receives focus.
     *
     * @private
     */
    _gotFocus: PdfAction;
    /**
     * Cached action invoked when the field loses focus.
     *
     * @private
     */
    _lostFocus: PdfAction;
    /**
     * Back-reference to the owning actions collection.
     *
     * @private
     */
    _field: PdfField;
    /**
     * Cached JavaScript action for per-keystroke validation.
     *
     * @private
     */
    _actions: PdfFieldActions;
    /**
     * Cached JavaScript action for field formatting.
     *
     * @private
     */
    _keyPressed: PdfJavaScriptAction;
    /**
     * Cached JavaScript action for field formatting.
     *
     * @private
     */
    _format: PdfJavaScriptAction;
    /**
     * Cached JavaScript action for field value validation.
     *
     * @private
     */
    _validate: PdfJavaScriptAction;
    /**
     * Initializes a new instance of the `PdfFieldActions` class.
     *
     * @private
     * @param {PdfField} field field items.
     * ```typescript
     * // Load an existing PDF document
     * let document: PdfDocument = new PdfDocument(data);
     * // Access button field
     * let field: PdfButtonField = document.form.fieldAt(0) as PdfButtonField;
     * // Access the second page
     * let secondPage: PdfPage = document.getPage(2);
     * // Create a PdfDestination for the specified page
     * let destination: PdfDestination = new PdfDestination(secondPage)
     * // Creates a new PdfGoToAction with the specified destination
     * let gotoAction: PdfGoToAction = new PdfGoToAction(destination);
     * // Set the goto action to the button
     * field.actions.mouseEnter = gotoAction;
     * // Save the document
     * document.save('output.pdf');
     * // Destroy the document
     * document.destroy();
     */
    constructor(field: PdfField);
    /**
     * Get the action to be performed when the mouse cursor enters the field area.
     *
     * @returns {PdfAction} The action to be executed when the mouse enters the field area.
     *
     * ```typescript
     * // Load an existing PDF document
     * let document: PdfDocument = new PdfDocument(data);
     * // Access button field
     * let field: PdfButtonField = document.form.fieldAt(0) as PdfButtonField;
     * // Get the action to be executed when the mouse enters the field area
     * let action: PdfAction = field.actions.mouseEnter;
     * // Save the document
     * document.save('output.pdf');
     * // Destroy the document
     * document.destroy();
     * ```
     */
    /**
    * Set the action to be performed when the mouse cursor enters the field area.
    *
    * @param {PdfAction} value The action to be executed when the mouse enters the field area.
    *
    * ```typescript
    * // Load an existing PDF document
    * let document: PdfDocument = new PdfDocument(data);
    * // Access button field
    * let field: PdfButtonField = document.form.fieldAt(0) as PdfButtonField;
    * // Access the second page
    * let secondPage: PdfPage = document.getPage(2);
    * // Create a new GoTo action with the specified page
    * let gotoAction: PdfGoToAction = new PdfGoToAction(secondPage);
    * // Set the destination location within the specified page for the PdfGoToAction
    * gotoAction.Destination = new PdfDestination(secondPage, {x: 0, y: 100});
    * // Set the GoTo action to the mouse enter property of the button field
    * field.actions.mouseEnter = gotoAction;
    * // Save the document
    * document.save('output.pdf');
    * // Destroy the document
    * document.destroy();
    */
    mouseEnter: PdfAction;
    /**
     * Get the action to be performed when the cursor exits the fields area.
     *
     * @returns {PdfAction} The action to be executed when the mouse exists the field area.
     *
     * ```typescript
     * // Load an existing PDF document
     * let document: PdfDocument = new PdfDocument(data);
     * // Access button field
     * let field: PdfButtonField = document.form.fieldAt(0) as PdfButtonField;
     * // Get the action to be executed when the mouse leave the field area.
     * let action: PdfAction = field.actions.mouseLeave;
     * // Save the document
     * document.save('output.pdf');
     * // Destroy the document
     * document.destroy();
     * ```
     */
    /**
    * Set the action to be performed when the cursor exits the fields area.
    *
    * @param {PdfAction} value The action to be executed when the mouse exists the field area.
    *
    * ```typescript
    * // Load an existing PDF document
    * let document: PdfDocument = new PdfDocument(data);
    * // Access button field
    * let field: PdfButtonField = document.form.fieldAt(0) as PdfButtonField;
    * // Access the second page
    * let secondPage: PdfPage = document.getPage(2);
    * // Create a new GoTo action with the specified page
    * let gotoAction: PdfGoToAction = new PdfGoToAction(secondPage);
    * // Set the destination location within the specified page for the PdfGoToAction
    * gotoAction.Destination = new PdfDestination(secondPage, {x: 0, y: 100});
    * // Set the GoTo action to the mouse leave property of the button field
    * field.actions.mouseLeave = gotoAction;
    * // Save the document
    * document.save('output.pdf');
    * // Destroy the document
    * document.destroy();
    */
    mouseLeave: PdfAction;
    /**
     * Get the action to be performed when the mouse button is released inside the field area.
     *
     * @returns {PdfAction} The action to be executed when the mouse released inside the field area.
     *
     * ```typescript
     * // Load an existing PDF document
     * let document: PdfDocument = new PdfDocument(data);
     * // Access button field
     * let field: PdfButtonField = document.form.fieldAt(0) as PdfButtonField;
     * // Get the action to be executed when the mouse up the field area.
     * let action: PdfAction = field.actions.mouseUp;
     * // Save the document
     * document.save('output.pdf');
     * // Destroy the document
     * document.destroy();
     * ```
     */
    /**
    * Set the action to be performed when the mouse button is released inside the field area.
    *
    * @param {PdfAction} value The action to be executed when the mouse released inside the field area.
    *
    * ```typescript
    * // Load an existing PDF document
    * let document: PdfDocument = new PdfDocument(data);
    * // Access button field
    * let field: PdfButtonField = document.form.fieldAt(0) as PdfButtonField;
    * // Access the second page
    * let secondPage: PdfPage = document.getPage(2);
    * // Create a new GoTo action with the specified page
    * let gotoAction: PdfGoToAction = new PdfGoToAction(secondPage);
    * // Set the destination location within the specified page for the PdfGoToAction
    * gotoAction.Destination = new PdfDestination(secondPage, {x: 0, y: 100});
    * // Set the GoTo action to the mouse up property of the button field
    * field.actions.mouseUp = gotoAction;
    * // Save the document
    * document.save('output.pdf');
    * // Destroy the document
    * document.destroy();
    */
    mouseUp: PdfAction;
    /**
     * Get the action to be performed when the mouse button is pressed inside the field's area.
     *
     * @returns {PdfAction} The action to be executed when the mouse button is pressed inside the field area.
     *
     * ```typescript
     * // Load an existing PDF document
     * let document: PdfDocument = new PdfDocument(data);
     * // Access button field
     * let field: PdfButtonField = document.form.fieldAt(0) as PdfButtonField;
     * // Get the action to be executed when the mouse down the field area.
     * let action: PdfAction = field.actions.mouseDown;
     * // Save the document
     * document.save('output.pdf');
     * // Destroy the document
     * document.destroy();
     * ```
     */
    /**
    * Set the action to be performed when the mouse button is pressed inside the field's area.
    *
    * @param {PdfAction} value The action to be executed when the mouse button is pressed inside the field area.
    *
    * ```typescript
    * // Load an existing PDF document
    * let document: PdfDocument = new PdfDocument(data);
    * // Access button field
    * let field: PdfButtonField = document.form.fieldAt(0) as PdfButtonField;
    * // Access the second page
    * let secondPage: PdfPage = document.getPage(2);
    * // Create a new GoTo action with the specified page
    * let gotoAction: PdfGoToAction = new PdfGoToAction(secondPage);
    * // Set the destination location within the specified page for the PdfGoToAction
    * gotoAction.Destination = new PdfDestination(secondPage, {x: 0, y: 100});
    * // Set the GoTo action to the mouse down property of the button field
    * field.actions.mouseDown = gotoAction;
    * // Save the document
    * document.save('output.pdf');
    * // Destroy the document
    * document.destroy();
    */
    mouseDown: PdfAction;
    /**
     * Get the action to be performed when the field receives the input focus.
     *
     * @returns {PdfAction} The action to be executed when the field receives the input focus.
     *
     * ```typescript
     * // Load an existing PDF document
     * let document: PdfDocument = new PdfDocument(data);
     * // Access button field
     * let field: PdfButtonField = document.form.fieldAt(0) as PdfButtonField;
     * // Get the action to be executed when the got focus the field area.
     * let action: PdfAction = field.actions.gotFocus;
     * // Save the document
     * document.save('output.pdf');
     * // Destroy the document
     * document.destroy();
     * ```
     */
    /**
    * Set the action to be performed when the field receives the input focus.
    *
    * @param {PdfAction} value The action to be executed when the field receives the input focus.
    *
    * ```typescript
    * // Load an existing PDF document
    * let document: PdfDocument = new PdfDocument(data);
    * // Access button field
    * let field: PdfButtonField = document.form.fieldAt(0) as PdfButtonField;
    * // Access the second page
    * let secondPage: PdfPage = document.getPage(2);
    * // Create a new GoTo action with the specified page
    * let gotoAction: PdfGoToAction = new PdfGoToAction(secondPage);
    * // Set the destination location within the specified page for the PdfGoToAction
    * gotoAction.Destination = new PdfDestination(secondPage, {x: 0, y: 100});
    * // Set the GoTo action to the got focus property of the button field
    * field.actions.gotFocus = gotoAction;
    * // Save the document
    * document.save('output.pdf');
    * // Destroy the document
    * document.destroy();
    */
    gotFocus: PdfAction;
    /**
     * Get the action to be performed when the field loses the input focus.
     *
     * @returns {PdfAction} The action to be executed when the field loses the input focus.
     *
     * ```typescript
     * // Load an existing PDF document
     * let document: PdfDocument = new PdfDocument(data);
     * // Access button field
     * let field: PdfButtonField = document.form.fieldAt(0) as PdfButtonField;
     * // Get the action to be executed when the lost focus the field area.
     * let action: PdfAction = field.actions.lostFocus;
     * // Save the document
     * document.save('output.pdf');
     * // Destroy the document
     * document.destroy();
     * ```
     */
    /**
    * Set the action to be performed when the field loses the input focus.
    *
    * @param {PdfAction} value The action to be executed when the field loses the input focus.
    *
    * ```typescript
    * // Load an existing PDF document
    * let document: PdfDocument = new PdfDocument(data);
    * // Access button field
    * let field: PdfButtonField = document.form.fieldAt(0) as PdfButtonField;
    * // Access the second page
    * let secondPage: PdfPage = document.getPage(2);
    * // Create a new GoTo action with the specified page
    * let gotoAction: PdfGoToAction = new PdfGoToAction(secondPage);
    * // Set the destination location within the specified page for the PdfGoToAction
    * gotoAction.Destination = new PdfDestination(secondPage, {x: 0, y: 100});
    * // Set the GoTo action to the lost focus property of the button field
    * field.actions.lostFocus = gotoAction;
    * // Save the document
    * document.save('output.pdf');
    * // Destroy the document
    * document.destroy();
    */
    lostFocus: PdfAction;
    /**
     * Gets the JavaScript action run on each keystroke in a text field to validate or modify it.
     *
     * @returns {PdfJavaScriptAction} A `PdfJavaScriptAction` object specifying the action to be executed when the user types a keystroke.
     *
     * ```typescript
     * // Load an existing PDF document
     * let document: PdfDocument = new PdfDocument(data);
     * // Access text box field
     * let field: PdfTextBoxField = document.form.fieldAt(0) as PdfTextBoxField;
     * // Retrieve the JavaScript action associated with the key-press event of the field.
     * let action: PdfJavaScriptAction = field.actions.keyPressed;
     * // Save the document
     * document.save('output.pdf');
     * // Destroy the document
     * document.destroy();
     * ```
     */
    /**
    *Sets the JavaScript action run on each keystroke in a text field to validate or modify it.
    *
    *@param {PdfJavaScriptAction} value A `PdfJavaScriptAction` object specifying the action to be executed when the user types a keystroke.
    *
    * ```typescript
    * // Load an existing PDF document
    * let document: PdfDocument = new PdfDocument(data);
    * // Access text box field
    * let field: PdfTextBoxField = document.form.fieldAt(0) as PdfTextBoxField;
    * // Assign a JavaScript action to validate the date format ('dd/mm/yyyy') during key-press.
    * field.actions.keyPressed = new PdfJavaScriptAction("AFDate_KeystrokeEx('dd/mm/yyyy')");
    * // Save the document
    * document.save('output.pdf');
    * // Destroy the document
    * document.destroy();
    * ```
    */
    keyPressed: PdfJavaScriptAction;
    /**
     * Gets the JavaScript action executed before the field value is formatted.
     *
     * @returns {PdfJavaScriptAction} A `PdfJavaScriptAction` object specifying the action to be executed before the field value is formatted.
     *
     * ```typescript
     * // Load an existing PDF document
     * let document: PdfDocument = new PdfDocument(data);
     * // Access text box field
     * let field: PdfTextBoxField = document.form.fieldAt(0) as PdfTextBoxField;
     * // Retrieve the JavaScript action that is assigned to the field's format event.
     * let action: PdfJavaScriptAction = field.actions.format;
     * // Save the document
     * document.save('output.pdf');
     * // Destroy the document
     * document.destroy();
     * ```
     */
    /**
    * Sets the JavaScript action executed before the field value is formatted.
    *
    * @param {PdfJavaScriptAction} value A `PdfJavaScriptAction` object specifying the action to be executed before the field value is formatted.
    *
    * ```typescript
    * // Load an existing PDF document
    * let document: PdfDocument = new PdfDocument(data);
    * // Access text box field
    * let field: PdfTextBoxField = document.form.fieldAt(0) as PdfTextBoxField;
    * // Assign a JavaScript format action to apply the 'dd/mm/yyyy' date formatting to the field.
    * field.actions.format = new PdfJavaScriptAction("AFDate_FormatEx('dd/mm/yyyy')");
    * // Save the document
    * document.save('output.pdf');
    * // Destroy the document
    * document.destroy();
    * ```
    */
    format: PdfJavaScriptAction;
    /**
     * Gets the JavaScript action triggered when the field value changes for validation.
     *
     * @returns {PdfJavaScriptAction} A `PdfJavaScriptAction` object specifying the action to be executed when the field value changes for validation.
     *
     * ```typescript
     * // Load an existing PDF document
     * let document: PdfDocument = new PdfDocument(data);
     * // Access text box field
     * let field: PdfTextBoxField = document.form.fieldAt(0) as PdfTextBoxField;
     * // Retrieve the JavaScript action assigned to the field's validate event.
     * let action: PdfJavaScriptAction = field.actions.validate;
     * // Save the document
     * document.save('output.pdf');
     * // Destroy the document
     * document.destroy();
     * ```
     */
    /**
    * set the Java script action to the field for keyPressed.
    *
    * @param {PdfJavaScriptAction} value The action to be executed when the field is KeyPressed.
    *
    * ```typescript
    * // Load an existing PDF document
    * let document: PdfDocument = new PdfDocument(data);
    * // Access text box field
    * let field: PdfTextBoxField = document.form.fieldAt(0) as PdfTextBoxField;
    * // Set the JavaScript action that validates the field value using the 'dd/mm/yyyy' date format.
    * field.actions.validate = new PdfJavaScriptAction("AFDate_ValidateEx('dd/mm/yyyy')");
    * // Save the document
    * document.save('output.pdf');
    * // Destroy the document
    * document.destroy();
    * ```
    */
    validate: PdfJavaScriptAction;
    /**
     * Updates the widget annotation with the specified action under the given additional-actions key.
     *
     * @private
     * @param {PdfAction} action Action instance to associate with the widget.
     * @param {string} key Additional action key.
     * @returns {void} nothing.
     */
    _updateAction(action: PdfAction, key: string): void;
    /**
     * Retrieves a GoTo action from the widget's additional actions using the specified key.
     *
     * @private
     * @param {string} key Additional action key to look up.
     * @returns {PdfAction} The resolved `PdfGoToAction` if available; otherwise, `undefined`.
     */
    _getPdfAction(key: string): PdfAction;
    /**
     * Creates or updates the field's additional actions dictionary with the JavaScript action for the given key.
     *
     * @private
     * @param {PdfJavaScriptAction} action JavaScript action to associate with the field.
     * @param {string} key Additional action key to set.
     * @returns {void} nothing.
     */
    _updateFieldAction(action: PdfJavaScriptAction, key: string): void;
    /**
     * Retrieves a JavaScript action from the field's additional actions dictionary using the specified key.
     *
     * @private
     * @param {string} key Additional action key to look up.
     * @returns {PdfJavaScriptAction} The resolved JavaScript action if available; otherwise, `undefined`.
     */
    _getFieldAction(key: string): PdfJavaScriptAction;
}