import type { EventData } from '../data/observable';
export declare enum AccessibilityTrait {
    /**
     * The element allows direct touch interaction for VoiceOver users.
     */
    AllowsDirectInteraction = 0,
    /**
     * The element should cause an automatic page turn when VoiceOver finishes reading the text within it.
     * Note: Requires custom view with accessibilityScroll(...)
     */
    CausesPageTurn = 1,
    /**
     * The element is not enabled and does not respond to user interaction.
     */
    NotEnabled = 2,
    /**
     * The element is currently selected.
     */
    Selected = 3,
    /**
     * The element frequently updates its label or value.
     */
    UpdatesFrequently = 4
}
export declare enum AccessibilityRole {
    /**
     * The element allows continuous adjustment through a range of values.
     */
    Adjustable = 0,
    /**
     * The element should be treated as a button.
     */
    Button = 1,
    /**
     * The element behaves like a Checkbox
     */
    Checkbox = 2,
    /**
     * The element is a header that divides content into sections, such as the title of a navigation bar.
     */
    Header = 3,
    /**
     * The element should be treated as an image.
     */
    Image = 4,
    /**
     * The element should be treated as a image button.
     */
    ImageButton = 5,
    /**
     * The element behaves as a keyboard key.
     */
    KeyboardKey = 6,
    /**
     * The element should be treated as a link.
     */
    Link = 7,
    /**
     * The element has no traits.
     */
    None = 8,
    /**
     * The element plays its own sound when activated.
     */
    PlaysSound = 9,
    /**
     * The element behaves like a ProgressBar
     */
    ProgressBar = 10,
    /**
     * The element behaves like a RadioButton
     */
    RadioButton = 11,
    /**
     * The element should be treated as a search field.
     */
    Search = 12,
    /**
     * The element behaves like a SpinButton
     */
    SpinButton = 13,
    /**
     * The element starts a media session when it is activated.
     */
    StartsMediaSession = 14,
    /**
     * The element should be treated as static text that cannot change.
     */
    StaticText = 15,
    /**
     * The element provides summary information when the application starts.
     */
    Summary = 16,
    /**
     * The element behaves like a switch
     */
    Switch = 17
}
export declare enum AccessibilityState {
    Selected = 0,
    Checked = 1,
    Unchecked = 2,
    Disabled = 3
}
export declare enum AccessibilityLiveRegion {
    None = 0,
    Polite = 1,
    Assertive = 2
}
export declare enum IOSPostAccessibilityNotificationType {
    Announcement = 0,
    Screen = 1,
    Layout = 2
}
export declare enum AndroidAccessibilityEvent {
    /**
     * Invalid selection/focus position.
     */
    INVALID_POSITION = -1,
    /**
     * Maximum length of the text fields.
     */
    MAX_TEXT_LENGTH = 500,
    /**
     * Represents the event of clicking on a android.view.View like android.widget.Button = android.widget.CompoundButton = etc.
     */
    VIEW_CLICKED = 1,
    /**
     * Represents the event of long clicking on a android.view.View like android.widget.Button = android.widget.CompoundButton = etc.
     */
    VIEW_LONG_CLICKED = 2,
    /**
     * Represents the event of selecting an item usually in the context of an android.widget.AdapterView.
     */
    VIEW_SELECTED = 4,
    /**
     * Represents the event of setting input focus of a android.view.View.
     */
    VIEW_FOCUSED = 8,
    /**
     * Represents the event of changing the text of an android.widget.EditText.
     */
    VIEW_TEXT_CHANGED = 16,
    /**
     * Represents the event of opening a android.widget.PopupWindow = android.view.Menu = android.app.Dialog = etc.
     */
    WINDOW_STATE_CHANGED = 32,
    /**
     * Represents the event showing a android.app.Notification.
     */
    NOTIFICATION_STATE_CHANGED = 64,
    /**
     * Represents the event of a hover enter over a android.view.View.
     */
    VIEW_HOVER_ENTER = 128,
    /**
     * Represents the event of a hover exit over a android.view.View.
     */
    VIEW_HOVER_EXIT = 256,
    /**
     * Represents the event of starting a touch exploration gesture.
     */
    TOUCH_EXPLORATION_GESTURE_START = 512,
    /**
     * Represents the event of ending a touch exploration gesture.
     */
    TOUCH_EXPLORATION_GESTURE_END = 1024,
    /**
     * Represents the event of changing the content of a window and more specifically the sub-tree rooted at the event's source.
     */
    WINDOW_CONTENT_CHANGED = 2048,
    /**
     * Represents the event of scrolling a view.
     */
    VIEW_SCROLLED = 4096,
    /**
     * Represents the event of changing the selection in an android.widget.EditText.
     */
    VIEW_TEXT_SELECTION_CHANGED = 8192,
    /**
     * Represents the event of an application making an announcement.
     */
    ANNOUNCEMENT = 16384,
    /**
     * Represents the event of gaining accessibility focus.
     */
    VIEW_ACCESSIBILITY_FOCUSED = 32768,
    /**
     * Represents the event of clearing accessibility focus.
     */
    VIEW_ACCESSIBILITY_FOCUS_CLEARED = 65536,
    /**
     * Represents the event of traversing the text of a view at a given movement granularity.
     */
    VIEW_TEXT_TRAVERSED_AT_MOVEMENT_GRANULARITY = 131072,
    /**
     * Represents the event of beginning gesture detection.
     */
    GESTURE_DETECTION_START = 262144,
    /**
     * Represents the event of ending gesture detection.
     */
    GESTURE_DETECTION_END = 524288,
    /**
     * Represents the event of the user starting to touch the screen.
     */
    TOUCH_INTERACTION_START = 1048576,
    /**
     * Represents the event of the user ending to touch the screen.
     */
    TOUCH_INTERACTION_END = 2097152,
    /**
     * Mask for AccessibilityEvent all types.
     */
    ALL_MASK = -1
}
export interface AccessibilityEventPerformEscape extends EventData {
    cancel?: boolean;
}
export interface AccessibilityEventOptions {
    androidAccessibilityEvent?: AndroidAccessibilityEvent;
    iosNotificationType?: IOSPostAccessibilityNotificationType;
    message?: string;
}