import { FillClassification } from '@lifi/perps-types';
/**
 * Classify a perpetual fill into the Open/Close/Increase/Reduce/Switch
 * taxonomy from `FillClassification`.
 *
 * @param startPosition Signed position held BEFORE this fill (`> 0` long,
 *   `< 0` short, `0` flat).
 * @param side Hyperliquid-style: `'B'` for buy, anything else for sell.
 * @param sz Unsigned fill size, parsed with `parseFloat`.
 * @public
 */
export declare function classifyFillFromPosition(startPosition: string, side: string, sz: string): FillClassification;
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