import type { BaseOptions, AppendResult, AppendStreamState, EventData, EventType, MultiAppendResult, AppendStreamRequest, AppendRecordInput, AppendRecordsResult, ConsistencyCheck } from "../../types";
export interface AppendToStreamOptions extends BaseOptions {
    /**
     * Asks the server to check the stream is at specific revision before writing events.
     * @defaultValue ANY
     */
    streamState?: AppendStreamState;
    /**
     * The batch size, in bytes.
     * @defaultValue 3 * 1024 * 1024
     */
    batchAppendSize?: number;
}
declare module "../../Client" {
    interface Client {
        /**
         * Appends events to a given stream.
         * @param streamName - A stream name.
         * @param events - Events or event to write.
         * @param options - Writing options.
         */
        appendToStream<KnownEventType extends EventType = EventType>(streamName: string, events: EventData<KnownEventType> | EventData<KnownEventType>[], options?: AppendToStreamOptions): Promise<AppendResult>;
        multiStreamAppend<KnownEventType extends EventType = EventType>(requests: AppendStreamRequest<KnownEventType>[]): Promise<MultiAppendResult>;
        /**
         * Appends records to one or more streams atomically with cross-stream consistency checks.
         * Records can be interleaved across streams in any order and the global log preserves
         * the exact sequence from the request.
         * @param records - The records to append. Each record specifies its target stream.
         * @param checks - Optional consistency checks evaluated before commit.
         */
        appendRecords<KnownEventType extends EventType = EventType>(records: AppendRecordInput<KnownEventType>[], checks?: ConsistencyCheck[]): Promise<AppendRecordsResult>;
    }
}