Adopt the module-max SDK interface from dagger/dagger#13992

.dagger/modules/e2e/fixtures/clients/dep/dagger-module.toml

@@ -0,0 +1,5 @@
+name = "client-dep"
+engineVersion = "v1.0.0-0"
+
+[runtime]
+  source = "dang"

.dagger/modules/e2e/fixtures/clients/dep/main.dang

@@ -0,0 +1,6 @@
+"""
+A module the e2e checks add as a client.
+"""
+type ClientDep {
+  pub greeting: String! { "hello from the client dependency" }
+}

.dagger/modules/e2e/fixtures/lookup/app/pom.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Marks this fixture as a Java client root for findClientRoot; it is never built. -->
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>io.dagger.modules.lookupapp</groupId>
+    <artifactId>lookup-app</artifactId>
+    <version>1.0-SNAPSHOT</version>
+</project>