/** Read a matching source to its declared end; a transport cap is never a complete list. */
declare function readCompleteSource<T>({ readPage, getRowId, pageSize, maxRows }: {
    readPage: (page: number, pageSize: number) => Promise<{
        rows: T[];
        total: number;
    }>;
    getRowId: (row: T) => string;
    pageSize?: number;
    maxRows?: number;
}): Promise<{
    rows: T[];
    total: number;
}>;
/** Source summaries are single aggregate rows, validated before becoming KPI values. */
declare const USAGE_SUMMARY_KEYS: readonly ["items", "runs", "successes", "failures", "cost"];
interface SummaryRpcClient {
    rpc(name: string, args: object): unknown;
}
declare function readNumericSourceSummary<K extends string>(client: SummaryRpcClient, name: string, args: object, keys: readonly K[]): Promise<Record<K, number>>;
/** The configured global ceiling has no organization or user overrides. */
declare function tableGroupingLimit(value: unknown): number;
/** Standalone hosts share a cached bucket read through the canonical knob-defaults protocol. */
declare function readTableGroupingLimit(client: SummaryRpcClient): Promise<number>;

export { USAGE_SUMMARY_KEYS, readCompleteSource, readNumericSourceSummary, readTableGroupingLimit, tableGroupingLimit };
export type { SummaryRpcClient };