import { ClientCancellableCall } from "../call/ClientCancellableCall";
import { GetLedgerEndResponse } from "../model/GetLedgerEndResponse";
import { Callback } from "../util/Callback";
import { GetTransactionResponse } from "../model/GetTransactionResponse";
import { GetTransactionByEventIdRequest } from "../model/GetTransactionByEventIdRequest";
import { GetTransactionByIdRequest } from "../model/GetTransactionByIdRequest";
import { GetTransactionsResponse } from "../model/GetTransactionsResponse";
import { ClientReadableObjectStream } from "../call/ClientReadableObjectStream";
import { GetTransactionsRequest } from "../model/GetTransactionsRequest";
import { GetTransactionTreesResponse } from "../model/GetTransactionTreesResponse";
import { GetFlatTransactionResponse } from "../model/GetFlatTransactionResponse";
/**
 * Allows clients to read transactions from the ledger.
 */
export interface TransactionClient {
    /**
     * Get the current ledger end.
     *
     * Subscriptions started with the returned offset will serve transactions
     * created after this RPC was called.
     */
    getLedgerEnd(): Promise<GetLedgerEndResponse>;
    getLedgerEnd(callback: Callback<GetLedgerEndResponse>): ClientCancellableCall;
    /**
     * Lookup a transaction by the ID of an event that appears within it.
     *
     * Returns NOT_FOUND if no such transaction exists.
     */
    getTransactionByEventId(requestObject: GetTransactionByEventIdRequest): Promise<GetTransactionResponse>;
    getTransactionByEventId(requestObject: GetTransactionByEventIdRequest, callback: Callback<GetTransactionResponse>): ClientCancellableCall;
    /**
     * Lookup a transaction by the ID of an event that appears within it.
     *
     * Returns ``NOT_FOUND`` if no such transaction exists.
     */
    getFlatTransactionByEventId(requestObject: GetTransactionByEventIdRequest): Promise<GetFlatTransactionResponse>;
    getFlatTransactionByEventId(requestObject: GetTransactionByEventIdRequest, callback: Callback<GetFlatTransactionResponse>): ClientCancellableCall;
    /**
     * Lookup a transaction by its ID.
     *
     * Returns NOT_FOUND if no such transaction exists.
     */
    getTransactionById(requestObject: GetTransactionByIdRequest): Promise<GetTransactionResponse>;
    getTransactionById(requestObject: GetTransactionByIdRequest, callback: Callback<GetTransactionResponse>): ClientCancellableCall;
    /**
     * Lookup a transaction by the ID of an event that appears within it.
     *
     * Returns ``NOT_FOUND`` if no such transaction exists.
     */
    getFlatTransactionById(requestObject: GetTransactionByIdRequest): Promise<GetFlatTransactionResponse>;
    getFlatTransactionById(requestObject: GetTransactionByIdRequest, callback: Callback<GetFlatTransactionResponse>): ClientCancellableCall;
    /**
     * Read the ledger's filtered transaction stream for a set of parties.
     */
    getTransactions(requestObject: GetTransactionsRequest): ClientReadableObjectStream<GetTransactionsResponse>;
    /**
     * Read the ledger's complete transaction stream for a set of parties.
     *
     * This call is a future extension point and is currently not supported.
     */
    getTransactionTrees(requestObject: GetTransactionsRequest): ClientReadableObjectStream<GetTransactionTreesResponse>;
}