export type NamedColor = 'black' | 'red' | 'green' | 'yellow' | 'blue' | 'magenta' | 'cyan' | 'white' | 'brightBlack' | 'brightRed' | 'brightGreen' | 'brightYellow' | 'brightBlue' | 'brightMagenta' | 'brightCyan' | 'brightWhite';
export interface RGBColor {
    r: number;
    g: number;
    b: number;
}
/** HSL color: h = 0–360, s = 0–100, l = 0–100 */
export interface HSLColor {
    h: number;
    s: number;
    l: number;
}
/** 0–255 palette index */
export type Color256 = {
    index: number;
};
export type Color = NamedColor | RGBColor | HSLColor | Color256;
export type TextAttribute = 'bold' | 'dim' | 'italic' | 'underline' | 'blink' | 'inverse' | 'hidden' | 'strikethrough';
export interface CursorPosition {
    x: number;
    y: number;
}
export type CursorShape = 'block' | 'underline' | 'bar' | 'blinkingBlock' | 'blinkingUnderline' | 'blinkingBar';
export interface ScreenSize {
    columns: number;
    rows: number;
}
export type ColorSupport = 'none' | 'basic' | '256' | 'truecolor';
export interface TerminalOptions {
    stdout?: NodeJS.WritableStream;
    stdin?: NodeJS.ReadableStream;
    /** Enable screen buffer with diff-based rendering. Default: false. */
    buffer?: boolean;
}
export interface FullscreenOptions {
    mouse?: boolean;
    hideCursor?: boolean;
    focusEvents?: boolean;
}
export type NamedKey = 'backspace' | 'delete' | 'down' | 'end' | 'escape' | 'f1' | 'f2' | 'f3' | 'f4' | 'f5' | 'f6' | 'f7' | 'f8' | 'f9' | 'f10' | 'f11' | 'f12' | 'home' | 'insert' | 'left' | 'pagedown' | 'pageup' | 'return' | 'right' | 'space' | 'tab' | 'up';
export type Letter = 'a' | 'b' | 'c' | 'd' | 'e' | 'f' | 'g' | 'h' | 'i' | 'j' | 'k' | 'l' | 'm' | 'n' | 'o' | 'p' | 'q' | 'r' | 's' | 't' | 'u' | 'v' | 'w' | 'x' | 'y' | 'z' | 'A' | 'B' | 'C' | 'D' | 'E' | 'F' | 'G' | 'H' | 'I' | 'J' | 'K' | 'L' | 'M' | 'N' | 'O' | 'P' | 'Q' | 'R' | 'S' | 'T' | 'U' | 'V' | 'W' | 'X' | 'Y' | 'Z';
export type Digit = '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9';
export type Printable = Letter | Digit;
/**
 * Key name: a named special key, a printable character, or any other Unicode
 * character (emoji, symbols, etc.) as a string fallback.
 */
export type KeyName = NamedKey | Printable | (string & {});
export interface KeyEvent {
    type: 'key';
    key: KeyName;
    ctrl: boolean;
    alt: boolean;
    shift: boolean;
    gui: boolean;
}
export type MouseButton = 'left' | 'middle' | 'right' | 'none';
export type MouseAction = 'press' | 'release' | 'drag' | 'move' | 'scrollUp' | 'scrollDown' | 'scrollLeft' | 'scrollRight';
export interface MouseEvent {
    type: 'mouse';
    action: MouseAction;
    button: MouseButton;
    x: number;
    y: number;
    ctrl: boolean;
    alt: boolean;
    gui: boolean;
    shift: boolean;
}
export interface PasteEvent {
    type: 'paste';
    text: string;
}
export interface FocusEvent {
    type: 'focus';
    focused: boolean;
}
export type InputEvent = KeyEvent | MouseEvent | PasteEvent | FocusEvent;
export declare function isKeyEvent(event: InputEvent): event is KeyEvent;
export declare function isMouseEvent(event: InputEvent): event is MouseEvent;
export declare function isPasteEvent(event: InputEvent): event is PasteEvent;
export declare function isFocusEvent(event: InputEvent): event is FocusEvent;
export interface ImageOptions {
    width?: number | string;
    height?: number | string;
    preserveAspectRatio?: boolean;
}
export type ImageProtocol = 'iterm' | 'kitty' | 'none';
export type UnderlineStyle = 'single' | 'double' | 'curly' | 'dotted' | 'dashed';
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