code: def symbolic(g, input, psa_type, mask_size):
      return g.op(
          "mmcv::MMCVPSAMask",
          input,
          psa_type_i=psa_type,
          mask_size_i=mask_size,
      )
  
file_path: lavis/lavis/common/annotator/uniformer/mmcv/ops/psa_mask.py
imports: from torch import nn
  from torch.autograd import Function
  from torch.nn.modules.utils import _pair
  from ..utils import ext_loader
label_desc: Use image node_id 1 for calling the PSAMaskFunction obj's underlying member method code with example usage: obj.symbolic(g, input, psa_type, mask_size) and returns: g