import type { ExtractInjectionAPI } from '@atlaskit/editor-common/types/next-editor-plugin';
import type { EditorView } from '@atlaskit/editor-prosemirror/view';
import type { BlockControlsPlugin } from '../blockControlsPluginType';
/**
 * Whether the element under the pointer can be part of a block's left gutter: a container block's
 * own padding (panel, layout, list…) or an editor wrapper around the content. Text and leaf blocks
 * have no gutter inside them. Table and cell padding shows the table's controls, but containers
 * nested inside cells can own gutters for their children, as in the legacy hover zones. Elements
 * rendered beside the editor (title, popups, toolbars) cover any gutter beneath them.
 */
export declare const isPossibleGutterElement: (view: EditorView, hoveredElement: EventTarget | null) => hoveredElement is Element;
/** Returns a function that finds the block whose legacy hover zone contains the pointer. */
export declare const createGutterBlockFinder: (view: EditorView, api: ExtractInjectionAPI<BlockControlsPlugin> | undefined) => ((event: MouseEvent) => Element | null);
/**
 * Shows block controls for the block the pointer hovers under sparse surfaces, including the empty
 * space to a block's left (the gutter). This is the only hover handler for sparse surfaces.
 *
 * Reaching text or a leaf block shows its controls straight away. Over an element that can be part
 * of a gutter, only the latest pointer event is kept, and it is resolved once after the frame
 * renders so that reading positions never forces a layout.
 *
 * Returns an unbind function, or `undefined` when the editor's document has no window.
 */
export declare const bindSparseGutterHover: ({ api, view, }: {
    api: ExtractInjectionAPI<BlockControlsPlugin> | undefined;
    view: EditorView;
}) => (() => void) | undefined;