code: def get_ground_truth_ids(collection_size):
      fname = GROUNDTRUTH_MAP[str(collection_size)]
      fname = SIFT_SRC_GROUNDTRUTH_DATA_DIR + "/" + fname
      a = np.fromfile(fname, dtype="int32")
      d = a[0]
      true_ids = a.reshape(-1, d + 1)[:, 1:].copy()
      return true_ids
  
imports: import os
  import logging
  import numpy
  import sklearn.preprocessing
  import h5py
  import random
  from itertools import product
  from pymilvus import DataType
  from milvus_benchmark import config
label_desc: Use image node_id 15 for calling a global function with example usage: get_ground_truth_ids(collection_size) and returns: true_ids