--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/java/nio/file/attribute/FileStoreSpaceAttributes.java	Sun Feb 15 12:25:54 2009 +0000
@@ -0,0 +1,66 @@
+/*
+ * Copyright 2007-2009 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package java.nio.file.attribute;
+
+/**
+ * Space related attributes of a file store.
+ *
+ * @since 1.7
+ *
+ * @see Attributes#readFileStoreSpaceAttributes
+ */
+
+public interface FileStoreSpaceAttributes {
+    /**
+     * Returns the size, in bytes, of the file store.
+     */
+    long totalSpace();
+
+    /**
+     * Returns the number of bytes available to this Java virtual machine on the
+     * file store.
+     *
+     * <p> The returned number of available bytes is a hint, but not a
+     * guarantee, that it is possible to use most or any of these bytes.  The
+     * number of usable bytes is most likely to be accurate immediately
+     * after the space attributes are obtained. It is likely to be made inaccurate
+     * by any external I/O operations including those made on the system outside
+     * of this Java virtual machine.
+     */
+    long usableSpace();
+
+    /**
+     * Returns the number of unallocated bytes in the file store.
+     *
+     * <p> The returned number of unallocated bytes is a hint, but not a
+     * guarantee, that it is possible to use most or any of these bytes.  The
+     * number of unallocated bytes is most likely to be accurate immediately
+     * after the space attributes are obtained. It is likely to be
+     * made inaccurate by any external I/O operations including those made on
+     * the system outside of this virtual machine.
+     */
+    long unallocatedSpace();
+}