1 files changed, 13 insertions, 0 deletions
diff --git a/extension/src/languages/index.d.ts b/extension/src/languages/index.d.ts
new file mode 100644
index 00000000..be7ddfbc
--- /dev/null
+++ b/extension/src/languages/index.d.ts
@@ -0,0 +1,13 @@
+export interface LanguageLibrary {
+  language: string;
+  fileExtensions: string[];
+  parseFirstStacktrace: (stdout: string) => string | undefined;
+  lineIsFunctionDef: (line: string) => boolean;
+  parseFunctionDefForName: (line: string) => string;
+  lineIsComment: (line: string) => boolean;
+  writeImport: (
+    sourcePath: string,
+    pathToImport: string,
+    namesToImport?: string[] | undefined
+  ) => string;
+}