import { WellSampleDropData } from '../types';
interface DroppedSampleTransfer {
    getData(format: string): string;
}
export declare function parseDroppedSampleTransfer(transfer: DroppedSampleTransfer): WellSampleDropData | null;
/** JSON payloads only — no `text/plain` fallback, so stray text drags are rejected. */
export declare function parseDroppedSampleJson(transfer: DroppedSampleTransfer): WellSampleDropData | null;
export declare function createTextDroppedSample(text: string | null | undefined): WellSampleDropData | null;
export declare function normalizeDroppedSample(raw: unknown): WellSampleDropData | null;
export {};