aren't -> are not

src/compiler/diagnosticMessages.json

@@ -8452,11 +8452,11 @@
         "category": "Error",
         "code": 18057
     },
-    "Default imports aren't allowed for deferred imports.": {
+    "Default imports are not allowed in a deferred import.": {
         "category": "Error",
         "code": 18058
     },
-    "Named imports aren't allowed for deferred imports.": {
+    "Named imports are not allowed in a deferred import.": {
         "category": "Error",
         "code": 18059
     },

src/compiler/parser.ts

@@ -8392,7 +8392,7 @@ namespace Parser {
             phaseModifier = SyntaxKind.DeferKeyword;
             identifier = undefined;
             if (isIdentifier()) {
-                parseErrorAtCurrentToken(Diagnostics.Default_imports_aren_t_allowed_for_deferred_imports);
+                parseErrorAtCurrentToken(Diagnostics.Default_imports_are_not_allowed_in_a_deferred_import);
                 identifier = parseIdentifier();
             }
         }
@@ -8507,7 +8507,7 @@ namespace Parser {
             }
             else {
                 if (phaseModifier === SyntaxKind.DeferKeyword) {
-                    parseErrorAtCurrentToken(Diagnostics.Named_imports_aren_t_allowed_for_deferred_imports);
+                    parseErrorAtCurrentToken(Diagnostics.Named_imports_are_not_allowed_in_a_deferred_import);
                 }
                 namedBindings = parseNamedImportsOrExports(SyntaxKind.NamedImports);
             }

tests/baselines/reference/importDeferInvalidDefault.errors.txt

@@ -1,4 +1,4 @@
-b.ts(1,14): error TS18058: Default imports aren't allowed for deferred imports.
+b.ts(1,14): error TS18058: Default imports are not allowed in a deferred import.
 
 
 ==== a.ts (0 errors) ====
@@ -9,6 +9,6 @@ b.ts(1,14): error TS18058: Default imports aren't allowed for deferred imports.
 ==== b.ts (1 errors) ====
     import defer foo from "a";
                  ~~~
-!!! error TS18058: Default imports aren't allowed for deferred imports.
+!!! error TS18058: Default imports are not allowed in a deferred import.
 
     foo();

tests/baselines/reference/importDeferInvalidNamed.errors.txt

@@ -1,4 +1,4 @@
-b.ts(1,14): error TS18059: Named imports aren't allowed for deferred imports.
+b.ts(1,14): error TS18059: Named imports are not allowed in a deferred import.
 
 
 ==== a.ts (0 errors) ====
@@ -9,6 +9,6 @@ b.ts(1,14): error TS18059: Named imports aren't allowed for deferred imports.
 ==== b.ts (1 errors) ====
     import defer { foo } from "a";
                  ~
-!!! error TS18059: Named imports aren't allowed for deferred imports.
+!!! error TS18059: Named imports are not allowed in a deferred import.
 
     foo();

tests/baselines/reference/importDeferTypeConflict2.errors.txt

@@ -1,4 +1,4 @@
-b.ts(1,14): error TS18058: Default imports aren't allowed for deferred imports.
+b.ts(1,14): error TS18058: Default imports are not allowed in a deferred import.
 b.ts(1,19): error TS1005: 'from' expected.
 b.ts(1,19): error TS1141: String literal expected.
 b.ts(1,24): error TS1005: ';' expected.
@@ -15,7 +15,7 @@ b.ts(1,28): error TS2304: Cannot find name 'from'.
 ==== b.ts (7 errors) ====
     import defer type * as ns1 from "a";
                  ~~~~
-!!! error TS18058: Default imports aren't allowed for deferred imports.
+!!! error TS18058: Default imports are not allowed in a deferred import.
                       ~
 !!! error TS1005: 'from' expected.
                       ~~~~