Gets and sets the property ClusterSecurityGroupName. 
            
The name for the security group. Amazon Redshift stores the value as a lowercase string.
Constraints:
- Must contain no more than 255 alphanumeric characters or hyphens.
- Must not be "Default".
- Must be unique for all security groups that are created by your AWS account.
            Example:  CopyC#
CopyC#examplesecuritygroup
 Declaration Syntax
 Declaration Syntax| C# | 
public string ClusterSecurityGroupName { get; set; }