import { Fr } from '@aztec/foundation/curves/bn254';
import { BufferReader } from '@aztec/foundation/serialize';
import type { FieldsOf } from '@aztec/foundation/types';
import { AppendOnlyTreeSnapshot } from '../trees/append_only_tree_snapshot.js';
import { GlobalVariables } from '../tx/global_variables.js';
/**
 * Constants that are the same for the entire block.
 */
export declare class BlockConstantData {
    /** Archive tree snapshot at the very beginning of the entire rollup. */
    lastArchive: AppendOnlyTreeSnapshot;
    /**
     * L1-to-L2 message tree snapshot after this block lands.
     * For the first block in a checkpoint, this should be the snapshot after inserting the new l1-to-l2 message subtree
     * into the last l1-to-l2 tree snapshot in `last_archive`.
     * For subsequent blocks, this should match the snapshot of the previous block.
     */
    l1ToL2TreeSnapshot: AppendOnlyTreeSnapshot;
    /** Root of the verification key tree. */
    vkTreeRoot: Fr;
    /** Hash of the protocol contracts list. */
    protocolContractsHash: Fr;
    /** Global variables for the block. */
    globalVariables: GlobalVariables;
    /** Identifier of the prover. */
    proverId: Fr;
    constructor(
    /** Archive tree snapshot at the very beginning of the entire rollup. */
    lastArchive: AppendOnlyTreeSnapshot, 
    /**
     * L1-to-L2 message tree snapshot after this block lands.
     * For the first block in a checkpoint, this should be the snapshot after inserting the new l1-to-l2 message subtree
     * into the last l1-to-l2 tree snapshot in `last_archive`.
     * For subsequent blocks, this should match the snapshot of the previous block.
     */
    l1ToL2TreeSnapshot: AppendOnlyTreeSnapshot, 
    /** Root of the verification key tree. */
    vkTreeRoot: Fr, 
    /** Hash of the protocol contracts list. */
    protocolContractsHash: Fr, 
    /** Global variables for the block. */
    globalVariables: GlobalVariables, 
    /** Identifier of the prover. */
    proverId: Fr);
    static from(fields: FieldsOf<BlockConstantData>): BlockConstantData;
    static fromBuffer(buffer: Buffer | BufferReader): BlockConstantData;
    static getFields(fields: FieldsOf<BlockConstantData>): readonly [AppendOnlyTreeSnapshot, AppendOnlyTreeSnapshot, Fr, Fr, GlobalVariables, Fr];
    static empty(): BlockConstantData;
    toBuffer(): Buffer<ArrayBufferLike>;
}
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