import type { DecodedPointChunk } from './types.js';
export declare const POINTCLOUD_ATTR: {
    readonly PCD_BASE64: "pcd::base64";
    readonly POINTS_ARRAY: "points::array";
    readonly POINTS_BASE64: "points::base64";
};
/** Set of attribute keys that signal a point cloud node. */
export declare const POINTCLOUD_ATTR_KEYS: ReadonlySet<string>;
export declare function decodeIfcxPointAttribute(attributes: ReadonlyMap<string, unknown>): DecodedPointChunk | null;
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