public interface DataSourceRelations
DataSourceField.foreignKey, 
JoinType, 
DataSource.relatedTableAlias, 
DataSourceField.getPrimaryKey(), 
DataSourceField.getForeignKey(), 
DataSourceField.getChildrenProperty(), 
DataSourceField.getRootValue(), 
DataSourceField.includeFrom, 
DataSourceField.includeVia, 
DataSourceField.relatedTableAlias, 
DataSourceField.otherFKs, 
DataSourceField.getDisplayField(), 
DataSourceField.getForeignDisplayField(), 
DataSourceField.joinType, 
DataSource.getChildrenField()