import { BlockNumber, SlotNumber } from '@aztec/foundation/branded-types';
import { Fr } from '@aztec/foundation/curves/bn254';
import { type ZodFor } from '@aztec/foundation/schemas';
import { BufferReader, FieldReader } from '@aztec/foundation/serialize';
import type { FieldsOf } from '@aztec/foundation/types';
import { inspect } from 'util';
import { BlockHash } from '../block/block_hash.js';
import { AppendOnlyTreeSnapshot } from '../trees/append_only_tree_snapshot.js';
import { GlobalVariables } from './global_variables.js';
import { StateReference } from './state_reference.js';
/** A header of an L2 block. */
export declare class BlockHeader {
    /** Snapshot of archive before the block is applied. */
    readonly lastArchive: AppendOnlyTreeSnapshot;
    /** State reference. */
    readonly state: StateReference;
    /**
     * Hash of the sponge blob after the tx effects of this block has been applied.
     * May contain tx effects from the previous blocks in the same checkpoint.
     */
    readonly spongeBlobHash: Fr;
    /** Global variables of an L2 block. */
    readonly globalVariables: GlobalVariables;
    /** Total fees in the block, computed by the root rollup circuit */
    readonly totalFees: Fr;
    /** Total mana used in the block, computed by the root rollup circuit */
    readonly totalManaUsed: Fr;
    private _cachedHash?;
    constructor(
    /** Snapshot of archive before the block is applied. */
    lastArchive: AppendOnlyTreeSnapshot, 
    /** State reference. */
    state: StateReference, 
    /**
     * Hash of the sponge blob after the tx effects of this block has been applied.
     * May contain tx effects from the previous blocks in the same checkpoint.
     */
    spongeBlobHash: Fr, 
    /** Global variables of an L2 block. */
    globalVariables: GlobalVariables, 
    /** Total fees in the block, computed by the root rollup circuit */
    totalFees: Fr, 
    /** Total mana used in the block, computed by the root rollup circuit */
    totalManaUsed: Fr);
    static get schema(): ZodFor<BlockHeader>;
    static getFields(fields: FieldsOf<BlockHeader>): readonly [AppendOnlyTreeSnapshot, StateReference, Fr, GlobalVariables, Fr, Fr];
    static from(fields: FieldsOf<BlockHeader>): BlockHeader;
    getSlot(): SlotNumber;
    getBlockNumber(): BlockNumber;
    getSize(): number;
    toBuffer(): Buffer<ArrayBufferLike>;
    toFields(): Fr[];
    clone(): BlockHeader;
    static fromBuffer(buffer: Buffer | BufferReader): BlockHeader;
    static fromFields(fields: Fr[] | FieldReader): BlockHeader;
    static empty(fields?: Partial<FieldsOf<BlockHeader>>): BlockHeader;
    isEmpty(): boolean;
    /**
     * Serializes this instance into a string.
     * @returns Encoded string.
     */
    toString(): `0x${string}`;
    static fromString(str: string): BlockHeader;
    hash(): Promise<BlockHash>;
    /** Manually set the hash for this block header if already computed */
    setHash(hashed: Fr): void;
    /** Recomputes the cached hash. Used for testing when header fields are mutated via unfreeze. */
    recomputeHash(): Promise<BlockHash>;
    static random(overrides?: Partial<FieldsOf<BlockHeader>> & Partial<FieldsOf<GlobalVariables>>): BlockHeader;
    toInspect(): {
        lastArchive: `0x${string}`;
        state: {
            l1ToL2MessageTree: `0x${string}`;
            noteHashTree: `0x${string}`;
            nullifierTree: `0x${string}`;
            publicDataTree: `0x${string}`;
        };
        spongeBlobHash: bigint;
        globalVariables: {
            chainId: number;
            version: number;
            blockNumber: BlockNumber;
            slotNumber: SlotNumber;
            timestamp: bigint;
            coinbase: `0x${string}`;
            feeRecipient: `0x${string}`;
            feePerDaGas: number;
            feePerL2Gas: number;
        };
        totalFees: bigint;
        totalManaUsed: bigint;
    };
    [inspect.custom](): string;
    equals(other: this): boolean;
}
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