import * as THREE from "three";
import * as xb from "xrblocks";
//#region src/addons/virtualkeyboard/Keyboard.d.ts
export interface KeyboardOptions extends Omit<xb.UIPanelOptions, 'children'> {
  value?: string;
  /** Binds every key to one text field instead of the standalone buffer. */
  input?: xb.UITextInput;
  /** Initial visibility. Omit to preserve the supplied visible/display options. */
  open?: boolean;
  onValueChange?: (value: string) => void;
  onSubmit?: (value: string) => void;
}
/**
 * An embeddable QWERTY keyboard for UI Blocks cards.
 *
 * The parent card owns world placement and lifecycle. The keyboard owns text
 * input state, modifier state, layout, and key interaction feedback.
 */
export declare class Keyboard<TEventMap extends THREE.Object3DEventMap = THREE.Object3DEventMap> extends xb.UIPanel<TEventMap> {
  onValueChange?: (value: string) => void;
  onSubmit?: (value: string) => void;
  private _value;
  private _input?;
  private suppressedInput?;
  private releaseNativeKeyboard?;
  private disposed;
  private shiftActive;
  private capsLockActive;
  private characterButtons;
  private actionButtons;
  constructor({ value, input, open, onValueChange, onSubmit, style, ...options }?: KeyboardOptions);
  /** The bound field, or undefined while the keyboard owns its own buffer. */
  get input(): xb.UITextInput | undefined;
  set input(field: xb.UITextInput | undefined);
  get open(): boolean;
  /** Shows or hides the panel and immediately updates native-keyboard ownership. */
  set open(value: boolean);
  update(time?: number, frame?: XRFrame): void;
  dispose(): void;
  get value(): string;
  /** Updates the value without emitting an input callback. */
  setValue(value: string): void;
  /**
   * Applies a key using KeyboardEvent.key names.
   *
   * Printable layout keys use the current Shift and Caps Lock state. While a
   * field is bound, keys are forwarded to it and the field owns its callbacks.
   * The return value reports whether this keyboard handles the supplied key.
   */
  pressKey(key: string): boolean;
  private syncNativeKeyboard;
  private isConnectedAndVisible;
  private createRow;
  private createKey;
  private insert;
  private backspace;
  private submit;
  private tab;
  private consumeShift;
  private displayCharacter;
  private baseKeyColor;
  private refreshKeys;
}
//#endregion