/** Marks the line showing where a drop would land, wherever it is drawn — on a
 *  card or in an empty lane. The keyboard needs to find it to scroll it into
 *  view; a pointer drag brings its own scrolling. */
export declare const DROP_LINE_ATTRIBUTE = "data-board-drop-line";
/**
 * The card in `lane` whose middle is nearest `pointerY`, ignoring the one being
 * dragged, or `null` if the lane holds no other card.
 *
 * Live rects rather than anything cached: cards carry margins mid-drag that push
 * them about. The dragged card is skipped by name and not by having no box —
 * it keeps its slot in the lane until another card takes over holding the room,
 * so it is a full-height rectangle sitting right where the pointer is.
 */
export declare function nearestCardIn(lane: ParentNode, pointerY: number, draggedTicketId: string): HTMLElement | null;
/**
 * One card by ticket id, anywhere under `root`.
 *
 * A loop rather than an attribute selector: ticket ids are opaque global ids
 * from the host and go straight into a selector string otherwise.
 */
export declare function cardById(root: ParentNode, ticketId: string): HTMLElement | null;
//# sourceMappingURL=lane-geometry.d.ts.map