Rename package: callbacks->callback

imgui-binding/src/main/java/imgui/callback/ImListClipperCallback.java

@@ -0,0 +1,8 @@
+package imgui.callback;
+
+/**
+ * Callback for {@link imgui.ImGuiListClipper} class.
+ */
+public abstract class ImListClipperCallback {
+    public abstract void accept(int index);
+}

imgui-binding/src/main/java/imgui/callback/ImStrConsumer.java

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+package imgui.callback;
+
+/**
+ * Callback to supply Java string form native code.
+ */
+public abstract class ImStrConsumer {
+    public abstract void accept(String str);
+}

imgui-binding/src/main/java/imgui/callback/ImStrSupplier.java

@@ -0,0 +1,8 @@
+package imgui.callback;
+
+/**
+ * Callback to get Java string from native code.
+ */
+public abstract class ImStrSupplier {
+    public abstract String get();
+}