code: func (o *Operation) Config() (*configs.Config, tfdiags.Diagnostics) {
  	var diags tfdiags.Diagnostics
  	config, hclDiags := o.ConfigLoader.LoadConfig(o.ConfigDir)
  	diags = diags.Append(hclDiags)
  	return config, diags
  }
docs: // Config loads the configuration that the operation applies to, using the
  // ConfigDir and ConfigLoader fields within the receiving operation.