svn_client_ctx_t clientCtx = null;
// FIXME: Temporary placeholder for revision1 and revision2.
SWIGTYPE_p_svn_opt_revision_t dummy = null;
SubversionException e =
client.svn_client_diff((String []) diffOptions.toArray
(new String[diffOptions.size()]), path1,
dummy /*revision1*/, path2,
dummy /*revision2*/, recurse,
ignoreAncestry, noDiffDeleted,