import { type ComponentType, type ReactNode } from 'react';
import type { CustomCellRendererProps } from 'ag-grid-react';
/** Private marker written onto the synthetic detail node's data. */
export declare const EXPANDED_ROW_MARKER = "__dsDetailOf";
/** Row class stamped on the synthetic detail row (styled in ag-grid-theme.css). */
export declare const EXPANDED_ROW_CLASS = "ds-data-table-expanded-row";
export type ExpandedRowDetail<TData> = TData & {
    [EXPANDED_ROW_MARKER]: string;
};
/**
 * True when `data` is the synthetic detail node DataTable interleaves
 * beneath the expanded row. Custom export / iteration code that walks
 * `api.forEachNode*` should skip these.
 */
export declare function isExpandedRowDetail<TData>(data: TData | null | undefined): data is ExpandedRowDetail<TData>;
/** Row id AG Grid sees for the detail node beneath `parentId`. */
export declare function expandedRowDetailId(parentId: string): string;
/**
 * True when a `row-id` read off the DOM belongs to the synthetic detail
 * row rather than a record. The DOM-side twin of `isExpandedRowDetail`.
 */
export declare function isExpandedRowDetailId(rowId: string): boolean;
/** Build the synthetic node: the parent's values plus the marker. */
export declare function seedExpandedRowDetail<TData>(parent: TData, parentId: string): ExpandedRowDetail<TData>;
export interface ExpandedRowContextValue<TData = unknown> {
    renderExpandedRow: ((row: TData) => ReactNode) | undefined;
    onExpandedRowChange: ((id: string | null) => void) | undefined;
    /** The one open row — the renderer hands its original object to `renderExpandedRow`. */
    expanded: {
        id: string;
        row: TData;
    } | null;
    /** Measured detail heights by detail row id; served back through `getRowHeight`. */
    heights: Map<string, number>;
    /** Consumer's own full-width renderer, honoured for non-detail full-width rows. */
    fallbackRenderer: ComponentType<CustomCellRendererProps<TData>> | undefined;
}
export declare const ExpandedRowContext: import("react").Context<ExpandedRowContextValue<unknown> | null>;
/**
 * `fullWidthCellRenderer` for the synthetic detail node. Measures its own
 * content (Community has no auto-height for full-width rows) and pushes
 * the height into the node. Escape — on the grid-focused row or anywhere
 * inside the surface — asks the consumer to close; Enter on the row moves
 * focus into the content.
 */
export declare function ExpandedRowRenderer<TData = unknown>(props: CustomCellRendererProps<TData>): import("react/jsx-runtime").JSX.Element | null;
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