export declare function asRowObjects(payload: unknown): Record<string, unknown>[] | null;
export declare function aggregatePoints(rows: Record<string, unknown>[], labelField: string | undefined, metricField: string | undefined, relabel?: (label: string) => string): Array<{
    label: string;
    value: number;
}> | null;
export declare function numericColumn(rows: Record<string, unknown>[], field: string | undefined): number[] | null;