+ gint64 length, gint32 *error);
+
+extern MonoBoolean
+ves_icall_System_IO_MonoIO_ReplaceFile (MonoString *sourceFileName, MonoString *destinationFileName,
+ MonoString *destinationBackupFileName, MonoBoolean ignoreMetadataErrors,
+ gint32 *error);
+
+extern gint64
+mono_filesize_from_path (MonoString *path);
+
+extern gint64
+mono_filesize_from_fd (int fd);