diff --git a/src/CompletionProvider.php b/src/CompletionProvider.php
index 4f28811..e97fd38 100644
--- a/src/CompletionProvider.php
+++ b/src/CompletionProvider.php
@@ -124,6 +124,7 @@ class CompletionProvider
         }
 
         $list = new CompletionList;
+        $list->isIncomplete = true;
 
         // A non-free node means we do NOT suggest global symbols
         if (
@@ -380,4 +381,24 @@ class CompletionProvider
         }
         return $vars;
     }
+
+    private static function createTextEdit(PhpDocument $doc, Position $pos, string $insert): string
+    {
+        $content = $doc->getContent();
+        $offset = $pos->toOffset($content);
+        $contentLen = strlen($content);
+        for ($i = $offset; $i <= $contentLen; $i++) {
+            if (substr($content, $offset, $offset + $i) === substr($content, $offset - $i)) {
+                $insert = substr($offset, $i);
+                break;
+            }
+        }
+        for ($i = $offset; $i <= $contentLen; $i++) {
+            if (substr($content, $offset, $i) === substr($content, $headLen - $i)) {
+                $insert = substr($insert, $i);
+                break;
+            }
+        }
+        return new TextEdit(new Range($pos, $pos), $insert);
+    }
 }
diff --git a/tests/Server/TextDocument/CompletionTest.php b/tests/Server/TextDocument/CompletionTest.php
index cbbbd7c..7b5dd0a 100644
--- a/tests/Server/TextDocument/CompletionTest.php
+++ b/tests/Server/TextDocument/CompletionTest.php
@@ -60,7 +60,7 @@ class CompletionTest extends TestCase
                 '\TestClass', // Return type of the method
                 'Non culpa nostrud mollit esse sunt laboris in irure ullamco cupidatat amet.'
             )
-        ]), $items);
+        ], true), $items);
     }
 
     public function testPropertyAndMethodWithoutPrefix()
@@ -84,7 +84,7 @@ class CompletionTest extends TestCase
                 '\TestClass', // Return type of the method
                 'Non culpa nostrud mollit esse sunt laboris in irure ullamco cupidatat amet.'
             )
-        ]), $items);
+        ], true), $items);
     }
 
     public function testVariable()
@@ -116,7 +116,7 @@ class CompletionTest extends TestCase
                 null,
                 new TextEdit(new Range(new Position(8, 5), new Position(8, 5)), 'param')
             )
-        ]), $items);
+        ], true), $items);
     }
 
     public function testVariableWithPrefix()
@@ -138,7 +138,7 @@ class CompletionTest extends TestCase
                 null,
                 new TextEdit(new Range(new Position(8, 6), new Position(8, 6)), 'aram')
             )
-        ]), $items);
+        ], true), $items);
     }
 
     public function testNewInNamespace()
@@ -170,7 +170,7 @@ class CompletionTest extends TestCase
                 null,
                 'TestClass'
             ),
-        ]), $items);
+        ], true), $items);
     }
 
     public function testUsedClass()
@@ -188,7 +188,7 @@ class CompletionTest extends TestCase
                 'TestNamespace',
                 'Pariatur ut laborum tempor voluptate consequat ea deserunt.'
             )
-        ]), $items);
+        ], true), $items);
     }
 
     public function testStaticPropertyWithPrefix()
@@ -209,7 +209,7 @@ class CompletionTest extends TestCase
                 null,
                 '$staticTestProperty'
             )
-        ]), $items);
+        ], true), $items);
     }
 
     public function testStaticWithoutPrefix()
@@ -242,7 +242,7 @@ class CompletionTest extends TestCase
                 'mixed', // Method return type
                 'Do magna consequat veniam minim proident eiusmod incididunt aute proident.'
             )
-        ]), $items);
+        ], true), $items);
     }
 
     public function testStaticMethodWithPrefix()
@@ -260,7 +260,7 @@ class CompletionTest extends TestCase
                 'mixed', // Method return type
                 'Do magna consequat veniam minim proident eiusmod incididunt aute proident.'
             )
-        ]), $items);
+        ], true), $items);
     }
 
     public function testClassConstWithPrefix()
@@ -278,7 +278,7 @@ class CompletionTest extends TestCase
                 'int',
                 'Anim labore veniam consectetur laboris minim quis aute aute esse nulla ad.'
             )
-        ]), $items);
+        ], true), $items);
     }
 
     public function testFullyQualifiedClass()
@@ -299,7 +299,7 @@ class CompletionTest extends TestCase
                 null,
                 'TestClass'
             )
-        ]), $items);
+        ], true), $items);
     }
 
     public function testKeywords()
@@ -313,7 +313,7 @@ class CompletionTest extends TestCase
         $this->assertEquals(new CompletionList([
             new CompletionItem('class', CompletionItemKind::KEYWORD, null, null, null, null, 'class '),
             new CompletionItem('clone', CompletionItemKind::KEYWORD, null, null, null, null, 'clone ')
-        ]), $items);
+        ], true), $items);
     }
 
     public function testHtmlWithoutPrefix()
@@ -335,7 +335,7 @@ class CompletionTest extends TestCase
                 null,
                 new TextEdit(new Range(new Position(0, 0), new Position(0, 0)), '<?php')
             )
-        ]), $items);
+        ], true), $items);
     }
 
     public function testHtmlWithPrefix()
@@ -357,7 +357,7 @@ class CompletionTest extends TestCase
                 null,
                 new TextEdit(new Range(new Position(0, 1), new Position(0, 1)), '?php')
             )
-        ]), $items);
+        ], true), $items);
     }
 
     public function testNamespace()
@@ -378,6 +378,6 @@ class CompletionTest extends TestCase
                 null,
                 'SomeNamespace'
             )
-        ]), $items);
+        ], true), $items);
     }
 }