import { type Client } from '@connectrpc/connect';
import type { Address } from 'viem';
import type { SupportedChain } from '../chain.js';
import { KmsService } from '../generated/es/inco/kms/lite/v1/kms_service_pb.js';
export declare const DEFAULT_COVALIDATOR_SIGNER: Address;
export type KmsClient = Client<typeof KmsService> & {
    signerAddress: Address;
};
export declare function getKmsClient(kmsConnectRpcEndpointOrClient: string | KmsClient, signerAddress: Address): KmsClient;
export declare function defaultCovalidatorGrpc(chain: SupportedChain): string;
export declare function lightningDevnetCovalidatorGrpc(chain: SupportedChain): string;
export declare function lightningTestnetCovalidatorGrpc(chain: SupportedChain): string;