diff --git a/ShapeConverter.java b/ShapeConverter.java
new file mode 100644
index 0000000..5931966
--- /dev/null
+++ b/ShapeConverter.java
@@ -0,0 +1,5 @@
+public interface ShapeConverter<S extends Shape, T extends Shape> {
+    T convert(S source);
+    boolean canConvert(S source);
+    String getConversionDescription();
+}
\ No newline at end of file