import { BatchBufferOptions } from "./types";
/**
 * A buffer that accumulates items and flushes them in batches.
 * @typeparam T - The type of items to buffer.
 */
export default class BatchBuffer<T> {
    private buffer;
    private flushHandler;
    private logger?;
    private maxSize;
    private intervalMs;
    private timer;
    /**
     * Creates a new `BatchBuffer` instance.
     * @param options - The options to configure the buffer.
     * @throws If the options are invalid.
     */
    constructor(options: BatchBufferOptions<T>);
    /**
     * Adds an item to the buffer.
     *
     * @param item - The item to add.
     */
    add(item: T): Promise<void>;
    flush(): Promise<void>;
}
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