import type { GridKeyValue } from './colDef/gridColDef';
export type GridValidRowModel = {
    [key: string | symbol]: any;
};
export type GridRowsProp<R extends GridValidRowModel = GridValidRowModel> = Readonly<GridRowModel<R>[]>;
/**
 * The key value object representing the data of a row.
 */
export type GridRowModel<R extends GridValidRowModel = GridValidRowModel> = R;
export type GridUpdateAction = 'delete';
export interface GridRowModelUpdate extends GridRowModel {
    _action?: GridUpdateAction;
}
/**
 * The grid rows total height and row positions.
 */
export interface GridRowsMeta {
    /**
     * The sum of all grid rows.
     */
    totalHeight: number;
    /**
     * The grid rows positions.
     */
    positions: number[];
}
export interface GridTreeBasicNode {
    /**
     * The uniq id of this node.
     */
    id: GridRowId;
    /**
     * Depth of this node in the tree.
     */
    depth: number;
}
export interface GridLeafNode extends GridTreeBasicNode {
    type: 'leaf';
    /**
     * The id of the group containing this node.
     */
    parent: GridRowId;
    /**
     * The key used to group the children of this row.
     */
    groupingKey: GridKeyValue | null;
}
export interface GridBasicGroupNode extends GridTreeBasicNode {
    type: 'group';
    /**
     * The key used to group the children of this row.
     */
    groupingKey: GridKeyValue | null;
    /**
     * The field used to group the children of this row.
     * Is `null` if no field has been used to group the children of this row.
     */
    groupingField: string | null;
    /**
     * The id of the body children nodes.
     * Only contains the children of type "group" and "leaf".
     */
    children: GridRowId[];
    /**
     * The id of the footer child node.
     */
    footerId?: GridRowId | null;
    /**
     * The id of the children nodes, grouped by grouping field and grouping key.
     * Only contains the children of type "group" and "leaf".
     * Empty for flat tree.
     */
    childrenFromPath: GridChildrenFromPathLookup;
    /**
     * If `true`, the children of this group are not visible.
     * @default false
     */
    childrenExpanded?: boolean;
    /**
     * The id of the group containing this node (null for the root group).
     */
    parent: GridRowId | null;
    /**
     * If `true`, this row is pinned.
     * @default false
     */
    isPinned?: boolean;
}
export interface GridAutoGeneratedGroupNode extends GridBasicGroupNode {
    /**
     * If `true`, this node has been automatically generated by the grid.
     * In the row grouping, all groups are auto-generated
     * In the tree data, some groups can be passed in the rows
     */
    isAutoGenerated: true;
}
export interface GridDataGroupNode extends GridBasicGroupNode {
    /**
     * If `true`, this node has been automatically generated by the grid.
     * In the row grouping, all groups are auto-generated
     * In the tree data, some groups can be passed in the rows
     */
    isAutoGenerated: false;
}
export interface GridDataSourceGroupNode extends GridDataGroupNode {
    /**
     * Number of children this node has on the server. Equals to `-1` if there are some children but the count is unknown.
     */
    serverChildrenCount: number;
    /**
     * The cached path to be passed on as `groupKey` to the server.
     */
    path: string[];
}
export type GridGroupNode = GridDataGroupNode | GridAutoGeneratedGroupNode;
export type GridChildrenFromPathLookup = {
    [groupingField: string]: {
        [groupingKey: string]: GridRowId;
    };
};
export interface GridFooterNode extends GridTreeBasicNode {
    type: 'footer';
    /**
     * The id of the group containing this node.
     */
    parent: GridRowId;
}
export interface GridSkeletonRowNode extends GridTreeBasicNode {
    type: 'skeletonRow';
    /**
     * The id of the group containing this node.
     * Is always equal to `GRID_ROOT_GROUP_ID`.
     */
    parent: GridRowId;
}
interface GridBasicPinnedRowNode extends GridTreeBasicNode {
    type: 'pinnedRow';
    /**
     * The id of the group containing this node.
     * Is always equal to `GRID_ROOT_GROUP_ID`.
     */
    parent: GridRowId;
}
export interface GridDataPinnedRowNode extends GridBasicPinnedRowNode {
    /**
     * If `true`, this node has been automatically generated by the grid.
     */
    isAutoGenerated: true;
}
export interface GridAutoGeneratedPinnedRowNode extends GridBasicPinnedRowNode {
    /**
     * If `true`, this node has been automatically generated by the grid.
     */
    isAutoGenerated: false;
}
export type GridPinnedRowNode = GridDataPinnedRowNode | GridAutoGeneratedPinnedRowNode;
export type GridTreeNode = GridLeafNode | GridGroupNode | GridFooterNode | GridPinnedRowNode | GridSkeletonRowNode;
export type GridTreeNodeWithRender = GridLeafNode | GridGroupNode | GridFooterNode | GridPinnedRowNode;
export type GridRowTreeConfig = Record<GridRowId, GridTreeNode>;
/**
 * The type of Id supported by the grid.
 */
export type GridRowId = string | number;
export interface GridRowEntry<R extends GridValidRowModel = GridValidRowModel> {
    /**
     * The row id.
     */
    id: GridRowId;
    /**
     * The row model.
     */
    model: R;
}
/**
 * The function to retrieve the id of a [[GridRowModel]].
 */
export type GridRowIdGetter<R extends GridValidRowModel = GridValidRowModel> = (row: R) => GridRowId;
export {};