public interface CNmIsExternalGraphSlotFilledNode__CDefinition : CNmBoolValueNode__CDefinition, CNmValueNode__CDefinition, CNmGraphNode__CDefinition, ISchemaClass<CNmGraphNode__CDefinition>, ISchemaClass<CNmValueNode__CDefinition>, ISchemaClass<CNmBoolValueNode__CDefinition>, ISchemaClass<CNmIsExternalGraphSlotFilledNode__CDefinition>, ISchemaField, ISchemaClass, INativeHandle

ref short ExternalGraphNodeIdx { get; }