import { Fr } from '@aztec/foundation/curves/bn254';
import type { TxHash } from '../tx/tx_hash.js';
/**
 * Additional information needed to process a message.
 *
 * All messages exist in the context of a transaction, and information about that transaction is typically required
 * in order to perform validation, store results, etc. For example, messages containing notes require knowledge of note
 * hashes and the first nullifier in order to find the note's nonce.
 *
 * A TS version of `message_context.nr`.
 */
export declare class MessageContext {
    txHash: TxHash;
    uniqueNoteHashesInTx: Fr[];
    firstNullifierInTx: Fr;
    constructor(txHash: TxHash, uniqueNoteHashesInTx: Fr[], firstNullifierInTx: Fr);
    toFields(): Fr[];
    toNoirStruct(): {
        tx_hash: Fr;
        unique_note_hashes_in_tx: Fr[];
        first_nullifier_in_tx: Fr;
    };
    static toEmptyFields(): Fr[];
    static toSerializedOption(response: MessageContext | null): Fr[];
}
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