code: func (c *StorageGateway) DescribeNFSFileShares(input *DescribeNFSFileSharesInput) (*DescribeNFSFileSharesOutput, error) {
  	req, out := c.DescribeNFSFileSharesRequest(input)
  	return out, req.Send()
  }
docs: // DescribeNFSFileShares API operation for AWS Storage Gateway.
  //
  // Gets a description for one or more Network File System (NFS) file shares
  // from a file gateway. This operation is only supported for file gateways.
  //
  // Returns awserr.Error for service API and SDK errors. Use runtime type assertions
  // with awserr.Error's Code and Message methods to get detailed information about
  // the error.
  //
  // See the AWS API reference guide for AWS Storage Gateway's
  // API operation DescribeNFSFileShares for usage and error information.
  //
  // Returned Error Codes:
  //   * ErrCodeInvalidGatewayRequestException "InvalidGatewayRequestException"
  //   An exception occurred because an invalid gateway request was issued to the
  //   service. For more information, see the error and message fields.
  //
  //   * ErrCodeInternalServerError "InternalServerError"
  //   An internal server error has occurred during the request. For more information,
  //   see the error and message fields.
  //
  // See also, https://docs.aws.amazon.com/goto/WebAPI/storagegateway-2013-06-30/DescribeNFSFileShares