Make FileBuilder#asJarFrom take PathRoot instead of ManagedDirectory (widening scope)

Author: ascopes

java-compiler-testing/src/main/java/io/github/ascopes/jct/workspaces/FileBuilder.java

@@ -42,7 +42,7 @@ public interface FileBuilder {
    * @since 0.3.0
    */
   @API(since = "0.3.0", status = Status.STABLE)
-  ManagedDirectory asJarFrom(ManagedDirectory directory);
+  ManagedDirectory asJarFrom(PathRoot directory);
 
   /**
    * Take the directory, represented by the given path, and convert it into a JAR file, that will be

java-compiler-testing/src/main/java/io/github/ascopes/jct/workspaces/impl/FileBuilderImpl.java

@@ -19,6 +19,7 @@
 
 import io.github.ascopes.jct.workspaces.FileBuilder;
 import io.github.ascopes.jct.workspaces.ManagedDirectory;
+import io.github.ascopes.jct.workspaces.PathRoot;
 import java.io.BufferedInputStream;
 import java.io.ByteArrayInputStream;
 import java.io.File;
@@ -73,7 +74,7 @@ public FileBuilderImpl(ManagedDirectory parent, String first, String... rest) {
   }
 
   @Override
-  public ManagedDirectory asJarFrom(ManagedDirectory directory) {
+  public ManagedDirectory asJarFrom(PathRoot directory) {
     return asJarFrom(directory.getPath());
   }