public GetClusterCredentialsWithIAMResult withDbUser(String dbUser) {
        setDbUser(dbUser);
        return this;
    }
<p>
A database user name that you provide when you connect to a database. The database user is mapped 1:1 to the
source IAM identity.
</p>

@param dbUser
       A database user name that you provide when you connect to a database. The database user is mapped 1:1 to
       the source IAM identity.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-redshift/src/main/java/com/amazonaws/services/redshift/model/GetClusterCredentialsWithIAMResult.java