/** TypeScript/JavaScript client for gRPC Geyser. */
import { SubscribeUpdateDeshredTransactionInfo, SubscribeUpdateTransactionInfo } from "./grpc/geyser";
import type { CommitmentLevel, GetBlockHeightResponse, GetLatestBlockhashResponse, GetSlotResponse, GetVersionResponse, IsBlockhashValidResponse, PongResponse, SubscribeDeshredRequest, SubscribeReplayInfoResponse, SubscribeRequest } from "./grpc/geyser";
export { CommitmentLevel, SubscribeDeshredRequest, SubscribeDeshredRequest_DeshredTransactionsEntry, SubscribeRequest, SubscribeRequest_AccountsEntry, SubscribeRequest_BlocksEntry, SubscribeRequest_BlocksMetaEntry, SubscribeRequestFilterDeshredTransactions, SubscribeRequest_SlotsEntry, SubscribeRequest_TransactionsEntry, SubscribeRequestAccountsDataSlice, SubscribeRequestFilterAccounts, SubscribeRequestFilterAccountsFilter, SubscribeRequestFilterAccountsFilterLamports, SubscribeRequestFilterAccountsFilterMemcmp, SubscribeRequestFilterBlocks, SubscribeRequestFilterBlocksMeta, SubscribeRequestFilterEntry, SubscribeRequestFilterSlots, SubscribeRequestFilterTransactions, SubscribeUpdate, SubscribeUpdateAccount, SubscribeUpdateAccountInfo, SubscribeUpdateBlock, SubscribeUpdateBlockMeta, SubscribeUpdateDeshred, SubscribeUpdateDeshredTransaction, SubscribeUpdateDeshredTransactionInfo, SubscribeUpdatePing, SubscribeUpdateSlot, SubscribeUpdateTransaction, SubscribeUpdateTransactionInfo, } from "./grpc/geyser";
import type { TransactionErrorSolana, DeshredTransactionEncodingToReturnType, MapTransactionEncodingToReturnType } from "./types";
import { Duplex } from "stream";
import * as napi from "./napi/index";
/**
 * Public channel options accepted by the SDK constructor.
 * This is sourced from the native N-API constructor signature to avoid
 * duplicating option fields in this file.
 */
export type ChannelOptions = NonNullable<Parameters<typeof napi.GrpcClient.new>[2]>;
export default class Client {
    private _insecureEndpoint;
    private _insecureXToken;
    private _channelOptions;
    private _grpcClient;
    constructor(endpoint: string, xToken: string | undefined, channel_options: ChannelOptions | undefined);
    private _connectedGrpcClient;
    connect(): Promise<void>;
    getLatestBlockhash(commitment?: CommitmentLevel): Promise<GetLatestBlockhashResponse>;
    ping(count: number): Promise<PongResponse>;
    getBlockHeight(commitment?: CommitmentLevel): Promise<GetBlockHeightResponse>;
    getSlot(commitment?: CommitmentLevel): Promise<GetSlotResponse>;
    isBlockhashValid(blockhash: string, commitment?: CommitmentLevel): Promise<IsBlockhashValidResponse>;
    getVersion(): Promise<GetVersionResponse>;
    subscribeReplayInfo(): Promise<SubscribeReplayInfoResponse>;
    subscribe(): Promise<ClientDuplexStream>;
    subscribeDeshred(): Promise<ClientDeshredDuplexStream>;
}
export declare class ClientDuplexStream extends Duplex {
    private _napiDuplexStream;
    private _readInFlight;
    private _isClosed;
    private _isDestroying;
    private _terminalErrorSeen;
    constructor(stream: unknown, options: object | undefined);
    _pullNextUpdate(): void;
    _read(_size: number): void;
    _destroy(error: Error | null, callback: (error?: Error | null) => void): void;
    _write(chunk: SubscribeRequest, _encoding: BufferEncoding, callback: (error?: Error | null) => void): void;
}
export declare class ClientDeshredDuplexStream extends Duplex {
    private _napiDuplexStream;
    private _readInFlight;
    private _isClosed;
    private _isDestroying;
    private _terminalErrorSeen;
    constructor(stream: unknown, options: object | undefined);
    _pullNextUpdate(): void;
    _read(_size: number): void;
    _destroy(error: Error | null, callback: (error?: Error | null) => void): void;
    _write(chunk: SubscribeDeshredRequest, _encoding: BufferEncoding, callback: (error?: Error | null) => void): void;
}
export declare const txEncode: {
    encoding: any;
    encode_raw: typeof napi.encodeTx;
    encode: <T extends napi.WasmUiTransactionEncoding>(message: SubscribeUpdateTransactionInfo, encoding: T, max_supported_transaction_version: number | undefined, show_rewards: boolean) => MapTransactionEncodingToReturnType[T];
};
export declare const txDeshredEncode: {
    encoding: any;
    encode_raw: typeof napi.encodeDeshredTx;
    encode: <T extends napi.WasmUiTransactionEncoding>(message: SubscribeUpdateDeshredTransactionInfo, encoding: T) => DeshredTransactionEncodingToReturnType<T>;
};
export declare const txErrDecode: {
    decode_raw: typeof napi.decodeTxError;
    decode: (buf: Uint8Array) => TransactionErrorSolana;
};