code: def get_args_proj(self, prefix: Optional[str] = None) -> ArgProj:
      return GPArgProj(
          rank=self.rank,
          mu_ratio=self.mu_ratio,
          sigma_init=self.sigma_init,
          dropout_rate=self.dropout_rate,
          prefix=prefix,
      )
  
file_path: gluonts/src/gluonts/mx/distribution/lowrank_gp.py
imports: from collections import OrderedDict
  from typing import Optional, Tuple
  from mxnet import gluon
  from gluonts.core.component import validated
  from gluonts.mx import Tensor
  from .None import LowrankMultivariateGaussian
  from .distribution_output import ArgProj, DistributionOutput, AffineTransformedDistribution
  from .lowrank_multivariate_gaussian import inv_softplus, sigma_minimum
label_desc: Use image node_id 2 for calling the LowrankGPOutput obj's underlying member method code with example usage: obj.get_args_proj(prefix) and returns: GPArgProj