export type ExplorerLayoutMode = "wide" | "medium" | "narrow-vertical" | "narrow-list-only" | "too-narrow";
export interface Rect {
    x: number;
    y: number;
    width: number;
    height: number;
}
export interface ExplorerLayoutOptions {
    cols: number;
    rows: number;
    detailHidden?: boolean;
    focused?: "list" | "detail";
}
export interface ExplorerLayout {
    mode: ExplorerLayoutMode;
    header: Rect;
    list: Rect;
    detail: Rect;
    footer: Rect;
}
export declare function computeExplorerLayout(opts: ExplorerLayoutOptions): ExplorerLayout;