Cleanup (javadoc)

platform/platform-api/src/com/intellij/openapi/vfs/newvfs/NewVirtualFileSystem.java

@@ -106,8 +106,8 @@ public abstract class NewVirtualFileSystem extends VirtualFileSystem implements
   public abstract FileAttributes getAttributes(@NotNull VirtualFile file);
 
   /**
-   * @return true if this file is a directory which contains some children.
-   * Override if your file system can answer this question more efficiently (e.g. without enumerating all children).
+   * Returns {@code true} if {@code path} represents a directory with at least one child.
+   * Override if your file system can answer this question more efficiently (without enumerating children).
    */
   public boolean hasChildren(@NotNull VirtualFile file) {
     return list(file).length != 0;

platform/platform-impl/src/com/intellij/openapi/vfs/impl/local/LocalFileSystemBase.java

@@ -754,7 +754,7 @@ public abstract class LocalFileSystemBase extends LocalFileSystem {
   }
 
   /**
-   * @return true if {@code path} represents a directory which has children.
+   * @return {@code true} if {@code path} represents a directory with at least one child.
    */
   public static boolean hasChildren(@NotNull Path path) {
     // make sure to not load all children