/**
 * LAS streaming source.
 *
 * Implements `StreamingPointSource` over a `BlobByteSource`. Reads the
 * 227-byte public header on `open()`, then yields chunks of decoded
 * points on each `next()`. Stride-based downsampling is supported
 * natively: when `stride > 1`, the source advances by `stride * recordLen`
 * bytes per emitted point.
 */
import type { DecodedPointChunk } from '../types.js';
import type { DownsampleHint, PointSourceInfo, StreamingPointSource } from './types.js';
export declare class LasStreamingSource implements StreamingPointSource {
    private bytes;
    private header;
    private cursor;
    private rgbScale;
    private downsample;
    private label?;
    constructor(blob: Blob, options?: {
        label?: string;
        downsample?: DownsampleHint;
    });
    open(signal?: AbortSignal): Promise<PointSourceInfo>;
    next(maxPoints: number, signal?: AbortSignal): Promise<DecodedPointChunk | null>;
    close(): void;
    private toInfo;
}
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