import { InstructionAnnotation, BaseAnnotation } from './annotations';
import Transaction from './types/Transaction';
export declare type Annotation = BaseAnnotation & InstructionAnnotation;
/**
 * Creates a transaction description / annotation.
 * Throws errors if the transaction format is incorrect.
 *
 * @param txn - The transaction to be described.
 * @returns A transaction annotation describing the transaction.
 */
export declare function annotate(txn: Transaction): Annotation;
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