Updates for clangd 21 (SchemaStore#4981)

Author: hyperupcall

src/schemas/json/clangd.json

@@ -459,6 +459,16 @@
           "type": "string",
           "minLength": 1,
           "examples": ["clang++"]
+        },
+        "BuiltinHeaders": {
+          "description": "Whether Clangd should include its own built-in headers (like stddef.h), or use the system header found from the query driver.",
+          "type": "string",
+          "default": "Clangd",
+          "enum": ["Clangd", "QueryDriver"],
+          "enumDescriptions": [
+            "Use builtin headers from clangd. This is the default.",
+            "Use the headers extracted from the compiler via the --query-driver command line argument. If a query driver is not supplied or does not match the compiler, then the Clangd builtin headers will be the fallback."
+          ]
         }
       },
       "additionalProperties": false
@@ -664,6 +674,26 @@
             "`fo^` completes to `foo(int arg)`, with `int arg` selected"
           ],
           "default": "FullPlaceholders"
+        },
+        "HeaderInsertion": {
+          "description": "Whether to add #include directives when accepting code completions. Config equivalent of the CLI option --header-insertion.",
+          "type": "string",
+          "default": "IWYU",
+          "enum": ["IWYU", "Never"],
+          "enumDescriptions": [
+            "Include what you use. Insert the owning header for top-level symbols, unless the header is already directly included or the symbol is forward-declared. This is the default.",
+            "Never insert headers."
+          ]
+        },
+        "CodePatterns": {
+          "description": "Change how completion will suggest code snippets and code patterns.",
+          "type": "string",
+          "default": "All",
+          "enum": ["All", "None"],
+          "enumDescriptions": [
+            "All the code snippets and patterns are suggested.",
+            "None of the code snippets and patterns are suggested."
+          ]
         }
       },
       "additionalProperties": false