import { ExpressionContext, GroupFrame } from '../expression/expression-types';
import { TableRowGroup } from '../report-definition-types';
type Row = Record<string, unknown>;
export interface ResolvedGroupNode {
    group: TableRowGroup;
    key: unknown;
    keys?: unknown[];
    values: Row[];
    frame: GroupFrame;
    children?: ResolvedGroupNode[];
    leafRows?: Row[];
}
export interface RowGroupResolverOptions {
    rowGroups: TableRowGroup[];
    rows: Row[];
    datasourceName: string | undefined;
    exprCtx: ExpressionContext;
    parentFrames: Record<string, GroupFrame>;
}
export declare function resolveRowGroups(opts: RowGroupResolverOptions): Promise<ResolvedGroupNode[]>;
export {};