import type { QuantityTypeIdentifier } from '../types';
import type { OnQuantitySamplesCallback } from '../types/Subscriptions';
export declare const subscribeToQuantitySamples: <TIdentifier extends QuantityTypeIdentifier>(identifier: TIdentifier, callback: (args: OnQuantitySamplesCallback<TIdentifier>) => void, after?: Date) => {
    remove: () => boolean;
};