import { LogLevel, Logger } from "@lodestar/utils";
import { Signer } from "@lodestar/validator";
import { IValidatorCliArgs } from "../options.js";
/**
 * Log each pubkeys for auditing out keys are loaded from the logs
 */
export declare function logSigners(logger: Pick<Logger, LogLevel.info>, signers: Signer[]): void;
/**
 * Notify user if there are no signers at startup, this might be intended but could also be due to
 * misconfiguration. It is possible that signers are added later via keymanager or if an external signer
 * is connected with fetching enabled, but otherwise exit the process and suggest a different configuration.
 */
export declare function warnOrExitNoSigners(args: IValidatorCliArgs, logger: Pick<Logger, LogLevel.warn>): void;
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