add multi_trigger_autocomplete_plus

packages/multi_trigger_autocomplete_plus/lib/src/autocomplete_query.dart

@@ -0,0 +1,27 @@
+import 'package:flutter/material.dart';
+
+class AutocompleteQuery {
+  /// Creates a [AutocompleteQuery] with the specified [query] and
+  /// [selection].
+  const AutocompleteQuery({
+    required this.query,
+    required this.selection,
+  });
+
+  /// The query string.
+  final String query;
+
+  /// The selection in the text field.
+  final TextSelection selection;
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is AutocompleteQuery &&
+          runtimeType == other.runtimeType &&
+          query == other.query &&
+          selection == other.selection;
+
+  @override
+  int get hashCode => query.hashCode ^ selection.hashCode;
+}