}
	}

	// Validates cfg
	if err := validation.ValidateUpgradeConfiguration(internalcfg).ToAggregate(); err != nil {
		return nil, err
	}

	return internalcfg, nil
}

// DocMapToUpgradeConfiguration converts documentMap to an internal, defaulted and validated UpgradeConfiguration object.
// The map may contain many different YAML documents. These YAML documents are parsed one-by-one