diff --git a/src/hyparquet.ts b/src/hyparquet.ts
new file mode 100644
index 0000000..4169607
--- /dev/null
+++ b/src/hyparquet.ts
@@ -0,0 +1,9 @@
+/**
+ * Read parquet data rows from a file
+ *
+ * @param arrayBuffer parquet file contents
+ * @returns array of rows
+ */
+export function parquetRead(arrayBuffer: ArrayBuffer): any[][] {
+  throw new Error('not implemented')
+}