import { DockviewCompositeDisposable as CompositeDisposable, IMultiRowTabsHost, IMultiRowTabsService } from 'dockview';
/**
 * The wrapped-row neighbour of `current` one row up or down, or `undefined` when
 * there is no row in that direction. Tabs are bucketed into rows by `offsetTop`
 * (the same signal `countRows` uses); within the target row the tab whose
 * horizontal centre is nearest `current`'s is chosen, so Up/Down lands on the
 * geometrically-aligned tab rather than a fixed index. Pure geometry (reads
 * layout only) so it is unit-testable with mocked offsets.
 */
export declare function findVerticalNeighbour(tabs: HTMLElement[], current: HTMLElement, direction: 'up' | 'down'): HTMLElement | undefined;
/**
 * Multi-row (wrapping) tabs. Adds `overflow.mode: 'wrap'`: tabs wrap onto
 * multiple rows and the header grows, instead of clipping into the chevron
 * dropdown. Consumes the free tab-list seam + header-aware content sizing; owns
 * no tab model, overflow detection, or sizing math.
 */
export declare class MultiRowTabsService extends CompositeDisposable implements IMultiRowTabsService {
    private readonly host;
    private readonly _controllers;
    constructor(host: IMultiRowTabsHost);
    get enabled(): boolean;
    private _track;
    private _untrack;
}
export declare const MultiRowTabsModule: import("dockview").DockviewModule<IMultiRowTabsHost>;