/**
 * Floating window geometry — pure helpers for drag, resize, keyboard nudge,
 * and corner snap. Shared by every non-modal floating tool window.
 *
 * @see components/ui/floating-window.tsx
 */
interface FloatingWindowRect {
    x: number;
    y: number;
    width: number;
    height: number;
}
interface FloatingWindowViewport {
    width: number;
    height: number;
}
type FloatingWindowResizeHandle = "n" | "s" | "e" | "w" | "ne" | "nw" | "se" | "sw";
type FloatingWindowCorner = "bottom-right" | "bottom-left" | "top-left" | "top-right";
/** Same inset every DS floating sheet uses (0.5rem). */
declare const FLOATING_WINDOW_INSET = 8;
declare const FLOATING_WINDOW_MIN_WIDTH = 320;
declare const FLOATING_WINDOW_MIN_HEIGHT = 360;
declare const FLOATING_WINDOW_DEFAULT_WIDTH = 420;
declare const FLOATING_WINDOW_DEFAULT_HEIGHT = 560;
/** Arrow-key step, and the Shift-held step for crossing the screen faster. */
declare const FLOATING_WINDOW_NUDGE = 16;
declare const FLOATING_WINDOW_NUDGE_COARSE = 48;
declare const FLOATING_WINDOW_CORNERS: readonly ["bottom-right", "bottom-left", "top-left", "top-right"];
type FloatingWindowSizeOptions = {
    minWidth?: number;
    minHeight?: number;
    inset?: number;
};
/**
 * Opens bottom-right by default — where a launcher FAB usually sits — so the
 * window reads as having grown out of the control that opened it.
 */
declare function defaultFloatingWindowRect(viewport: FloatingWindowViewport, options?: FloatingWindowSizeOptions & {
    width?: number;
    height?: number;
    /** Prefer `"bottom-right"` (default) or `"center-right"`. */
    anchor?: "bottom-right" | "center-right";
}): FloatingWindowRect;
/**
 * Keep the whole window inside the viewport inset. Stricter than most desktop
 * window managers — a half-off-screen window with unreachable handles is a trap.
 */
declare function clampFloatingWindowRect(rect: FloatingWindowRect, viewport: FloatingWindowViewport, options?: FloatingWindowSizeOptions): FloatingWindowRect;
declare function moveFloatingWindowRect(rect: FloatingWindowRect, dx: number, dy: number, viewport: FloatingWindowViewport, options?: FloatingWindowSizeOptions): FloatingWindowRect;
/**
 * Resize from one of eight handles. `start` is the rect when the gesture began;
 * deltas are measured from that instant so dragging past a clamp and back does
 * not accumulate discarded pixels.
 */
declare function resizeFloatingWindowRect(start: FloatingWindowRect, handle: FloatingWindowResizeHandle, dx: number, dy: number, viewport: FloatingWindowViewport, options?: FloatingWindowSizeOptions): FloatingWindowRect;
declare function snapFloatingWindowRect(rect: FloatingWindowRect, corner: FloatingWindowCorner, viewport: FloatingWindowViewport, options?: FloatingWindowSizeOptions): FloatingWindowRect;
/** Park in the next corner, keeping size. */
declare function snapFloatingWindowToNextCorner(rect: FloatingWindowRect, viewport: FloatingWindowViewport, options?: FloatingWindowSizeOptions): FloatingWindowRect;
/** Keyboard resize from the bottom-right corner (top-left stays put). */
declare function nudgeFloatingWindowSize(rect: FloatingWindowRect, dx: number, dy: number, viewport: FloatingWindowViewport, options?: FloatingWindowSizeOptions): FloatingWindowRect;
declare function readFloatingWindowViewport(): FloatingWindowViewport;

export { FLOATING_WINDOW_CORNERS, FLOATING_WINDOW_DEFAULT_HEIGHT, FLOATING_WINDOW_DEFAULT_WIDTH, FLOATING_WINDOW_INSET, FLOATING_WINDOW_MIN_HEIGHT, FLOATING_WINDOW_MIN_WIDTH, FLOATING_WINDOW_NUDGE, FLOATING_WINDOW_NUDGE_COARSE, type FloatingWindowCorner, type FloatingWindowRect, type FloatingWindowResizeHandle, type FloatingWindowSizeOptions, type FloatingWindowViewport, clampFloatingWindowRect, defaultFloatingWindowRect, moveFloatingWindowRect, nudgeFloatingWindowSize, readFloatingWindowViewport, resizeFloatingWindowRect, snapFloatingWindowRect, snapFloatingWindowToNextCorner };