✨ Expose the Brigadier manager from Brigadier-enabled command managers

cloud-minecraft/cloud-brigadier/src/main/java/cloud/commandframework/brigadier/BrigadierManagerHolder.java

@@ -0,0 +1,47 @@
+//
+// MIT License
+//
+// Copyright (c) 2020 Alexander Söderberg & Contributors
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+//
+package cloud.commandframework.brigadier;
+
+import org.checkerframework.checker.nullness.qual.Nullable;
+
+/**
+ * This interface is implemented by command managers capable of registering commands to Brigadier.
+ *
+ * @param <C> Command sender type
+ */
+public interface BrigadierManagerHolder<C> {
+
+    /**
+     * Get the Brigadier manager instance used by this manager. This method being present
+     * in a command manager means the manager has the capability to register commands
+     * to Brigadier, but does not necessarily mean that this capability is being used.
+     * <p>
+     * In the case that Brigadier isn't used, this method should always return {@code null}.
+     *
+     * @return The Brigadier manager instance, if commands are being registered to Brigadier.
+     *         Else, {@code null}
+     */
+    @Nullable CloudBrigadierManager<C, ?> brigadierManager();
+
+}