import { FilterCondition } from './ColumnFilter';
/** A saved column's identity, order (by position), and width. */
export interface ColumnStateSnapshot {
    binding: string;
    width: number;
}
/** One column's saved filter: selected values and/or an operator condition. */
export interface FilterStateSnapshot {
    binding: string;
    values: string[] | null;
    condition: FilterCondition | null;
}
/**
 * A saved column group. `columns` mirrors the def tree: a plain binding string
 * for a leaf, or a nested snapshot for a subgroup. So collapse state round-trips
 * at every nesting level.
 */
export interface ColumnGroupStateSnapshot {
    key: string;
    header: string;
    columns: (string | ColumnGroupStateSnapshot)[];
    collapsed: boolean;
    collapseTo?: string | null;
}
/**
 * A serializable snapshot of everything the user can adjust: column order and
 * widths, sort, filters, grouping (and which groups are collapsed), frozen
 * rows/columns, selection, and scroll position. Produced by `grid.toJSON()` and
 * consumed by `grid.loadJSON()`.
 */
export interface GridStateSnapshot {
    version: 1;
    columns?: ColumnStateSnapshot[];
    sort?: {
        binding: string;
        ascending: boolean;
    } | null;
    filters?: FilterStateSnapshot[];
    groups?: string[];
    collapsedGroups?: string[];
    columnGroups?: ColumnGroupStateSnapshot[];
    frozen?: {
        columns: number;
        rows: number;
    };
    selectionMode?: string;
    activeCell?: {
        row: number;
        col: number;
    } | null;
    scroll?: {
        top: number;
        left: number;
    };
}