import type { AccountStats, ListMessagesRequest, ListMessagesResult, MessageMetadata, ReadMessageRequest, ReadMessageResult, SendMessageRequest, SendMessageResult } from "./types.js";
import { PrivateMessagingClient } from "./client.js";
export declare const DEFAULT_MAX_MESSAGE_CHUNK_BYTES = 24;
export declare const DEFAULT_ENCRYPTED_MESSAGE_GAS_LIMIT = 8000000n;
export declare function encryptMessageInput(client: PrivateMessagingClient, plaintext: string): Promise<any>;
export declare function sendMessage(client: PrivateMessagingClient, request: SendMessageRequest): Promise<SendMessageResult>;
export declare function readMessage(client: PrivateMessagingClient, request: ReadMessageRequest): Promise<ReadMessageResult>;
export declare function getMessageMetadata(client: PrivateMessagingClient, messageId: bigint | number | string): Promise<MessageMetadata>;
export declare function listInbox(client: PrivateMessagingClient, request: ListMessagesRequest): Promise<ListMessagesResult>;
export declare function getAccountStats(client: PrivateMessagingClient, account: string): Promise<AccountStats>;
export declare function listSent(client: PrivateMessagingClient, request: ListMessagesRequest): Promise<ListMessagesResult>;