import type { SOGImage, SOGSource } from './SplatSourceResource.js';
export declare function numberAt(values: ArrayLike<number>, index: number): number;
export declare function imageByte(image: SOGImage, index: number, component: number): number;
/**
 * Compute conservative chunk bounds directly from packed SOG pixels without expanding base attributes.
 *
 * @param {Object} sogSource Raw decoded SOG images and metadata.
 * @param {number} count Effective source count.
 * @param {number} [chunkSize=256] Splats per hierarchy interval.
 * @param {number} [maxStdDev=Math.sqrt(8)] Maximum raster footprint extent.
 * @returns {Float32Array} Packed chunk AABBs.
 */
export declare function computeSOGChunkBounds(sogSource: SOGSource, count: number, chunkSize?: number, maxStdDev?: number): Float32Array;