import { Fr } from '@aztec/foundation/curves/bn254';
import { BufferReader, FieldReader } from '@aztec/foundation/serialize';
import type { FieldsOf } from '@aztec/foundation/types';
import { BlockHeader } from './block_header.js';
import { TxContext } from './tx_context.js';
/**
 * Version of `PrivateTxConstantData` exposed by the tail circuits
 * It compresses the protocol contracts list to a hash to minimize the number of public inputs.
 * Refer to `PrivateTxConstantData` for more details.
 */
export declare class TxConstantData {
    anchorBlockHeader: BlockHeader;
    txContext: TxContext;
    vkTreeRoot: Fr;
    protocolContractsHash: Fr;
    constructor(anchorBlockHeader: BlockHeader, txContext: TxContext, vkTreeRoot: Fr, protocolContractsHash: Fr);
    static from(fields: FieldsOf<TxConstantData>): TxConstantData;
    static getFields(fields: FieldsOf<TxConstantData>): readonly [BlockHeader, TxContext, Fr, Fr];
    static fromFields(fields: Fr[] | FieldReader): TxConstantData;
    toFields(): Fr[];
    static fromBuffer(buffer: Buffer | BufferReader): TxConstantData;
    toBuffer(): Buffer<ArrayBufferLike>;
    static empty(): TxConstantData;
    getSize(): number;
    clone(): TxConstantData;
}
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