import type { Component } from "../tui.js";
export interface GroupedSelectGroup<T> {
    id: string;
    header: string;
    items: T[];
    initiallyCollapsed?: boolean;
    emptyHint?: string;
    disabled?: boolean;
}
export interface GroupedSelectListOptions<T> {
    maxVisible: number;
    renderHeader: (group: GroupedSelectGroup<T>, isSelected: boolean, expanded: boolean) => string;
    renderItem: (item: T, group: GroupedSelectGroup<T>, isSelected: boolean) => string;
    renderEmpty?: (group: GroupedSelectGroup<T>) => string;
    noMatch?: string;
}
export type GroupedSelection<T> = {
    kind: "header";
    group: GroupedSelectGroup<T>;
} | {
    kind: "item";
    group: GroupedSelectGroup<T>;
    item: T;
};
export declare class GroupedSelectList<T> implements Component {
    private options;
    private groups;
    private folded;
    private seen;
    private rows;
    private selectedIndex;
    private scrollOffset;
    onSelect?: (selection: GroupedSelection<T>) => void;
    onCancel?: () => void;
    onSelectionChange?: (selection: GroupedSelection<T> | null) => void;
    onToggleGroup?: (group: GroupedSelectGroup<T>, expanded: boolean) => void;
    constructor(options: GroupedSelectListOptions<T>);
    setGroups(groups: GroupedSelectGroup<T>[], preserveSelection?: boolean): void;
    private flatten;
    private firstSelectableIndex;
    currentSelection(): GroupedSelection<T> | null;
    private restoreSelection;
    private notifyChange;
    getRows(): number;
    getMaxVisible(): number;
    isExpanded(groupId: string): boolean;
    toggleGroup(groupId: string): void;
    expandGroup(groupId: string): void;
    collapseGroup(groupId: string): void;
    expandAll(): void;
    collapseAll(): void;
    moveBy(delta: number): void;
    moveToFirstOfGroup(groupIndex: number): void;
    getSelectedGroupIndex(): number | null;
    currentRowKind(): "header" | "item" | "empty" | null;
    invalidate(): void;
    render(width: number): string[];
    handleInput(keyData: string): boolean;
}
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