diff --git a/src/metafiles/binstall_v1.rs b/src/metafiles/binstall_v1.rs
index 35e78ed8..3ed2a1bc 100644
--- a/src/metafiles/binstall_v1.rs
+++ b/src/metafiles/binstall_v1.rs
@@ -1,9 +1,19 @@
+use std::{
+    fs,
+    io::{self, Write},
+    iter::IntoIterator,
+    path::Path,
+};
+
 use compact_str::CompactString;
+use miette::Diagnostic;
 use semver::Version;
 use serde::{Deserialize, Serialize};
+use thiserror::Error;
 use url::Url;
 
 use crate::binstall::MetaData;
+use crate::FileLock;
 
 #[derive(Debug, Serialize, Deserialize)]
 pub struct Entry {
@@ -65,3 +75,12 @@ impl From<super::Source> for Source {
         }
     }
 }
+
+#[derive(Debug, Diagnostic, Error)]
+pub enum Error {
+    #[error(transparent)]
+    Io(#[from] io::Error),
+
+    #[error(transparent)]
+    SerdeJsonParse(#[from] serde_json::Error),
+}