diff -r f73d7d49a91c -r f521c4c38c6e libpurple/purpleprotocolcontactsearch.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libpurple/purpleprotocolcontactsearch.h	Mon Aug 07 23:21:08 2023 -0500
@@ -0,0 +1,111 @@
+/*
+ * Purple - Internet Messaging Library
+ * Copyright (C) Pidgin Developers <devel@pidgin.im>
+ *
+ * Purple is the legal property of its developers, whose names are too numerous
+ * to list here.  Please refer to the COPYRIGHT file distributed with this
+ * source distribution.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses/>.
+ */
+
+#if !defined(PURPLE_GLOBAL_HEADER_INSIDE) && !defined(PURPLE_COMPILATION)
+# error "only <purple.h> may be included directly"
+#endif
+
+#ifndef PURPLE_PROTOCOL_CONTACT_SEARCH_H
+#define PURPLE_PROTOCOL_CONTACT_SEARCH_H
+
+#include <glib.h>
+#include <glib-object.h>
+
+#include <libpurple/purpleprotocol.h>
+
+#define PURPLE_TYPE_PROTOCOL_CONTACT_SEARCH (purple_protocol_contact_search_get_type())
+G_DECLARE_INTERFACE(PurpleProtocolContactSearch,
+                    purple_protocol_contact_search, PURPLE,
+                    PROTOCOL_CONTACT_SEARCH, PurpleProtocol)
+
+#define PURPLE_PROTOCOL_CONTACT_SEARCH_DOMAIN (g_quark_from_static_string("purple-protocol-contact-search"))
+
+/**
+ * PurpleProtocolContactSearch:
+ *
+ * The #PurpleProtocolContactSearch interface defines the behavior to search
+ * for new contacts to add to your contact list. A user interface will use
+ * these methods to help users find new contacts.
+ *
+ * Since: 3.0.0
+ */
+
+/**
+ * PurpleProtocolContactSearchInterface:
+ *
+ * This interface defines the behavior to implement searching for new contacts.
+ *
+ * Since: 3.0.0
+ */
+struct _PurpleProtocolContactSearchInterface {
+	/*< private >*/
+	GTypeInterface parent;
+
+	/*< public >*/
+	void (*search_async)(PurpleProtocolContactSearch *search, PurpleAccount *account, const char *text, GCancellable *cancellable, GAsyncReadyCallback callback, gpointer data);
+	GListModel *(*search_finish)(PurpleProtocolContactSearch *search, GAsyncResult *result, GError **error);
+
+	/*< private >*/
+	gpointer reserved[4];
+};
+
+G_BEGIN_DECLS
+
+/**
+ * purple_protocol_contact_search_search_async:
+ * @search: The instance.
+ * @account: The [class@Account] to search under.
+ * @text: The text to search for which must not be an empty string.
+ * @cancellable: (nullable): optional GCancellable object, %NULL to ignore.
+ * @callback: (scope async): a #GAsyncReadyCallback to call when the request is
+ *            satisfied.
+ * @data: User data to pass to @callback.
+ *
+ * Starts the process of searching for contacts using @account that match
+ * @text.
+ *
+ * Call [method@ProtocolContactSearch.search_finish] to get the results.
+ *
+ * Since: 3.0.0
+ */
+void purple_protocol_contact_search_search_async(PurpleProtocolContactSearch *search, PurpleAccount *account, const char *text, GCancellable *cancellable, GAsyncReadyCallback callback, gpointer data);
+
+/**
+ * purple_protocol_contact_search_search_finish:
+ * @search: The instance.
+ * @result: The [iface@Gio.AsyncResult] from the previous
+ *          [method@ProtocolContactSearch.search_async] call.
+ * @error: Return address for a #GError, or %NULL.
+ *
+ * Finishes a previous call to [method@ProtocolContactSearch.search_async] and
+ * gets the result.
+ *
+ * Returns: (transfer full): A [iface@Gio.ListModel] of the matched contacts or
+ *          %NULL with @error set on error.
+ *
+ * Since: 3.0.0
+ */
+GListModel *purple_protocol_contact_search_search_finish(PurpleProtocolContactSearch *search, GAsyncResult *result, GError **error);
+
+G_END_DECLS
+
+#endif /* PURPLE_PROTOCOL_CONTACT_SEARCH_H */