final ActionCollection col = getApplication().getActionCollection();
// ////// Object Tree Expanders ////////
// Schema Expanders - sequence
_treeAPI.addExpander(DatabaseObjectType.SCHEMA,
new SchemaExpander(new PostgresSequenceInodeExpanderFactory(), DatabaseObjectType.SEQUENCE));
// Table Expanders - trigger and index
// expander
TableWithChildNodesExpander tableExpander = new TableWithChildNodesExpander();