tosca_definitions_version: tosca_simple_yaml_1_0 metadata: filename: tosca/groups.yml version: '1.0' imports: - tosca_index: file: _index.yml group_types: tosca.groups.Root: description: This is the default (root) TOSCA Group Type definition that all other TOSCA base Group Types derive from. interfaces: standard: type: tosca.interfaces.node.lifecycle.Standard