1 files changed, 19 insertions, 20 deletions

diff --git a/crates/shirabe/src/downloader/downloader_interface.rs b/crates/shirabe/src/downloader/downloader_interface.rs
index 9ced979..7b333e6 100644
--- a/crates/shirabe/src/downloader/downloader_interface.rs
+++ b/crates/shirabe/src/downloader/downloader_interface.rs
@@ -1,84 +1,83 @@
 //! ref: composer/src/Composer/Downloader/DownloaderInterface.php
 
-use shirabe_external_packages::react::promise::PromiseInterface;
-
 use crate::package::PackageInterface;
+use shirabe_php_shim::PhpMixed;
 
 pub trait DownloaderInterface: std::fmt::Debug {
     fn get_installation_source(&self) -> String;
 
-    fn download(
+    async fn download(
         &self,
         package: &dyn PackageInterface,
         path: &str,
         prev_package: Option<&dyn PackageInterface>,
         output: bool,
-    ) -> anyhow::Result<Box<dyn PromiseInterface>>;
+    ) -> anyhow::Result<Option<PhpMixed>>;
 
     /// Convenience for the PHP default `$output = true` overload.
-    fn download3(
+    async fn download3(
         &self,
         package: &dyn PackageInterface,
         path: &str,
         prev_package: Option<&dyn PackageInterface>,
-    ) -> anyhow::Result<Box<dyn PromiseInterface>> {
+    ) -> anyhow::Result<Option<PhpMixed>> {
         self.download(package, path, prev_package, true)
     }
 
-    fn prepare(
+    async fn prepare(
         &self,
         r#type: &str,
         package: &dyn PackageInterface,
         path: &str,
         prev_package: Option<&dyn PackageInterface>,
-    ) -> anyhow::Result<Box<dyn PromiseInterface>>;
+    ) -> anyhow::Result<Option<PhpMixed>>;
 
-    fn install(
+    async fn install(
         &self,
         package: &dyn PackageInterface,
         path: &str,
         output: bool,
-    ) -> anyhow::Result<Box<dyn PromiseInterface>>;
+    ) -> anyhow::Result<Option<PhpMixed>>;
 
     /// Convenience for the PHP default `$output = true` overload.
-    fn install2(
+    async fn install2(
         &self,
         package: &dyn PackageInterface,
         path: &str,
-    ) -> anyhow::Result<Box<dyn PromiseInterface>> {
+    ) -> anyhow::Result<Option<PhpMixed>> {
         self.install(package, path, true)
     }
 
-    fn update(
+    async fn update(
         &self,
         initial: &dyn PackageInterface,
         target: &dyn PackageInterface,
         path: &str,
-    ) -> anyhow::Result<Box<dyn PromiseInterface>>;
+    ) -> anyhow::Result<Option<PhpMixed>>;
 
-    fn remove(
+    async fn remove(
         &self,
         package: &dyn PackageInterface,
         path: &str,
         output: bool,
-    ) -> anyhow::Result<Box<dyn PromiseInterface>>;
+    ) -> anyhow::Result<Option<PhpMixed>>;
 
     /// Convenience for the PHP default `$output = true` overload.
-    fn remove2(
+    async fn remove2(
         &self,
         package: &dyn PackageInterface,
         path: &str,
-    ) -> anyhow::Result<Box<dyn PromiseInterface>> {
+    ) -> anyhow::Result<Option<PhpMixed>> {
         self.remove(package, path, true)
     }
 
-    fn cleanup(
+    async fn cleanup(
         &self,
         r#type: &str,
         package: &dyn PackageInterface,
         path: &str,
         prev_package: Option<&dyn PackageInterface>,
-    ) -> anyhow::Result<Box<dyn PromiseInterface>>;
+    ) -> anyhow::Result<Option<PhpMixed>>;
 
     /// TODO(phase-b): runtime downcast helpers for PHP `instanceof` checks.
     fn as_change_report_interface(&self) -> Option<&dyn crate::downloader::ChangeReportInterface> {