import { BeaconConfig } from "@lodestar/config";
import { ForkSeq } from "@lodestar/params";
import { BLSPubkey, Bytes32, UintNum64, electra, phase0 } from "@lodestar/types";
import { CachedBeaconStateAllForks } from "../types.js";
/**
 * Process a Deposit operation. Potentially adds a new validator to the registry. Mutates the validators and balances
 * trees, pushing contigious values at the end.
 *
 * PERF: Work depends on number of Deposit per block. On regular networks the average is 0 / block.
 */
export declare function processDeposit(fork: ForkSeq, state: CachedBeaconStateAllForks, deposit: phase0.Deposit): void;
/**
 * Adds a new validator into the registry. Or increase balance if already exist.
 * Follows applyDeposit() in consensus spec. Will be used by processDeposit() and processDepositRequest()
 *
 */
export declare function applyDeposit(fork: ForkSeq, state: CachedBeaconStateAllForks, deposit: phase0.DepositData | electra.DepositRequest): void;
export declare function addValidatorToRegistry(fork: ForkSeq, state: CachedBeaconStateAllForks, pubkey: BLSPubkey, withdrawalCredentials: Bytes32, amount: UintNum64): void;
export declare function isValidDepositSignature(config: BeaconConfig, pubkey: Uint8Array, withdrawalCredentials: Uint8Array, amount: number, depositSignature: Uint8Array): boolean;
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