/**
 * Typed option builder for the Kitty graphics protocol.
 *
 * The protocol carries its parameters as `key=value` pairs, most of which are omitted when they
 * hold their default. Hand-assembling them means remembering both the single-letter keys and which
 * defaults are implicit; this does that once.
 * @see {@link https://sw.kovidgoyal.net/kitty/graphics-protocol/}
 */
/** What the terminal should do with the transmitted data (`a=`). */
type KittyAction = "animate" | "compose" | "delete" | "display" | "frame" | "query" | "transmit" | "transmit-display";
/** How the payload reaches the terminal (`t=`). */
type KittyTransmission = "direct" | "file" | "shared-memory" | "temp-file";
/** Pixel layout of the transmitted data (`f=`). */
type KittyFormat = "png" | "rgb" | "rgba";
/**
 * Which images a delete action removes (`d=`), as the protocol's own single letters.
 *
 * Spelled out rather than renamed: the protocol defines these letters and their exact meanings, and
 * inventing friendlier names risks implying a semantic the terminal does not have.
 */
type KittyDelete = "a" | "c" | "f" | "i" | "n" | "p" | "q" | "r" | "x" | "y" | "z";
/** Options for a Kitty graphics command. Anything left out keeps the protocol default. */
interface KittyGraphicsOptions {
  /** What to do with the data. Default `transmit`. */
  action?: KittyAction;
  /** Columns the image should occupy (`c=`). */
  columns?: number;
  /** Compress the payload with zlib (`o=z`). */
  compressed?: boolean;
  /** Which images a `delete` action removes (`d=`). Default `a` (all). */
  delete?: KittyDelete;
  /** Also free the stored image data, not just the placement (uppercases `d=`). */
  deleteResources?: boolean;
  /** Leave the cursor where it is (`C=1`). */
  doNotMoveCursor?: boolean;
  /** Pixel layout of the data (`f=`). Default `rgba`. */
  format?: KittyFormat;
  /** Display height in pixels (`h=`). */
  height?: number;
  /** Image id (`i=`). */
  id?: number;
  /** Height of the transmitted image in pixels (`v=`). */
  imageHeight?: number;
  /** Width of the transmitted image in pixels (`s=`). */
  imageWidth?: number;
  /** How many images are being transmitted (`I=`). */
  number?: number;
  /** Byte offset into the source (`O=`). */
  offset?: number;
  /** Left crop within the image, in pixels (`X=`). */
  offsetX?: number;
  /** Top crop within the image, in pixels (`Y=`). */
  offsetY?: number;
  /** Parent image id for a relative placement (`P=`). */
  parentId?: number;
  /** Parent placement id (`Q=`). */
  parentPlacementId?: number;
  /** Placement id (`p=`). */
  placementId?: number;
  /** Suppress the terminal's replies (`q=`): 1 hides OK, 2 hides OK and errors. */
  quiet?: 0 | 1 | 2;
  /** Rows the image should occupy (`r=`). */
  rows?: number;
  /** Payload size in bytes (`S=`). */
  size?: number;
  /** How the payload is delivered (`t=`). Default `direct`. */
  transmission?: KittyTransmission;
  /** Place the image without occupying cells (`U=1`). */
  virtualPlacement?: boolean;
  /** Display width in pixels (`w=`). */
  width?: number;
  /** Left edge of the source rectangle, in pixels (`x=`). */
  x?: number;
  /** Top edge of the source rectangle, in pixels (`y=`). */
  y?: number;
  /**
   * Stacking order (`z=`).
   *
   * Negative values place the image behind the text, which is how a background image is drawn —
   * so this is emitted whenever it is non-zero, not only when positive.
   */
  z?: number;
}
/**
 * Serializes Kitty graphics options into the protocol's `key=value` strings.
 *
 * Values equal to the protocol default are omitted, so the emitted sequence stays short.
 * @param options The options to serialize.
 * @returns The options, ready to hand to `kittyGraphics`.
 * @example
 * ```typescript
 * import { kittyGraphics, kittyGraphicsOptions } from "@visulima/ansi";
 *
 * kittyGraphics(base64Png, ...kittyGraphicsOptions({ action: "transmit-display", format: "png", z: -1 }));
 * ```
 */
declare const kittyGraphicsOptions: (options: KittyGraphicsOptions) => string[];
export { type KittyAction, type KittyDelete, type KittyFormat, type KittyGraphicsOptions, type KittyTransmission, kittyGraphicsOptions as default, kittyGraphicsOptions };