RelationshipDefinition(ModelVersion version=default(ModelVersion), ResourceId relationshipDefinitionId=default(ResourceId), string sourceEntityType=default(string), string targetEntityType=default(string), string displayName=default(string), string outwardDescription=default(string), string inwardDescription=default(string), string lifeTime=default(string), string relationshipCardinality=default(string), List< Link > links=default(List< Link >)) | Lusid.Sdk.Model.RelationshipDefinition | inline |