Replace Scala Empty with Java Empty annotated with @IRNode

engine/runtime-parser/src/main/java/org/enso/compiler/core/ir/Empty.java

@@ -0,0 +1,27 @@
+package org.enso.compiler.core.ir;
+
+import java.util.UUID;
+import org.enso.compiler.core.IR;
+import org.enso.runtime.parser.dsl.IRCopyMethod;
+import org.enso.runtime.parser.dsl.IRNode;
+
+@IRNode
+public interface Empty extends IR {
+  static Empty createEmpty() {
+    return EmptyGen.builder().build();
+  }
+
+  static Empty createFromLocation(IdentifiedLocation location) {
+    return EmptyGen.builder().location(location).build();
+  }
+
+  static Empty createFromLocationAndPassData(IdentifiedLocation location, MetadataStorage passData) {
+    return EmptyGen.builder()
+        .location(location)
+        .passData(passData)
+        .build();
+  }
+
+  @IRCopyMethod
+  Empty copy(IdentifiedLocation location, MetadataStorage passData, DiagnosticStorage diagnostics, UUID id);
+}