addChildIdsByOrdersToMap = chunk => {
			const data = chunk.getChildIdsByOrders(chunkGraph, filterFn);
			for (const key of Object.keys(data)) {
				let chunkMap = chunkMaps[key];
				if (chunkMap === undefined) {
					chunkMaps[key] = chunkMap = Object.create(null);
				}
				chunkMap[/** @type {ChunkId} */ (chunk.id)] = data[key];
			}
		}
@param {Chunk} chunk a chunk
@returns {void}