import type { QuantitySampleTyped } from '../types/QuantitySample';
import type { UnitForIdentifier } from '../types/QuantityType';
import type { QuantityTypeIdentifier } from '../types/QuantityTypeIdentifier';
/**
 * @returns the most recent sample for the given quantity type.
 */
export declare function useQuantitySampleById<T extends QuantityTypeIdentifier>(identifier: T, uuid: string, options?: {
    /** The unit to use for the sample. */
    unit?: UnitForIdentifier<T>;
}): {
    sample: QuantitySampleTyped<T> | undefined;
    isLoading: boolean;
    error: Error | null;
};
export default useQuantitySampleById;