1 files changed, 29 insertions, 0 deletions
diff --git a/crates/shirabe-symfony-console/src/descriptor/descriptor_interface.rs b/crates/shirabe-symfony-console/src/descriptor/descriptor_interface.rs
new file mode 100644
index 00000000..c50c6a99
--- /dev/null
+++ b/crates/shirabe-symfony-console/src/descriptor/descriptor_interface.rs
@@ -0,0 +1,29 @@
+//! ref: composer/vendor/symfony/console/Descriptor/DescriptorInterface.php
+
+use crate::application::Application;
+use crate::command::command::Command;
+use crate::input::input_argument::InputArgument;
+use crate::input::input_definition::InputDefinition;
+use crate::input::input_option::InputOption;
+use crate::output::output_interface::OutputInterface;
+use indexmap::IndexMap;
+use shirabe_php_shim::PhpMixed;
+
+/// The set of objects the descriptors know how to describe.
+pub enum DescribableObject {
+    InputArgument(InputArgument),
+    InputOption(InputOption),
+    InputDefinition(InputDefinition),
+    Command(std::rc::Rc<std::cell::RefCell<dyn Command>>),
+    Application(std::rc::Rc<std::cell::RefCell<dyn Application>>),
+}
+
+/// Descriptor interface.
+pub trait DescriptorInterface {
+    fn describe(
+        &mut self,
+        output: std::rc::Rc<std::cell::RefCell<dyn OutputInterface>>,
+        object: DescribableObject,
+        options: IndexMap<String, PhpMixed>,
+    ) -> anyhow::Result<()>;
+}