import { TransformOpt, TransformTyped } from '../stream.model';
export interface TransformBufferOptions extends TransformOpt {
    /**
     * @default 10
     */
    batchSize?: number;
}
/**
 * Similar to RxJS bufferCount()
 * @default batchSize is 10
 */
export declare function transformBuffer<IN = object>(opt?: TransformBufferOptions): TransformTyped<IN, IN[]>;