Is the pretrain weight of sparse structure vae open sourced?

[lullcant]

parser.add_argument('--resolution', type=int, default=64,
help='Sparse voxel resolution')
parser.add_argument('--shape_latent_name', type=str, default=None,
help='Name of the shape latent files')
parser.add_argument('--enc_pretrained', type=str, default='microsoft/TRELLIS-image-large/ckpts/ss_enc_conv3d_16l8_fp16',
help='Pretrained encoder model')
parser.add_argument('--model_root', type=str,
help='Root directory of models')
Where is 'microsoft/TRELLIS-image-large/ckpts/ss_enc_conv3d_16l8_fp16