fix: import keyword name (#54675)

Co-authored-by: Isabel Duan <iduan@hmc.edu>

src/services/completions.ts

@@ -208,6 +208,7 @@ import {
     isNamedImportsOrExports,
     isNamespaceImport,
     isNodeDescendantOf,
+    isNonContextualKeyword,
     isObjectBindingPattern,
     isObjectLiteralExpression,
     isObjectTypeDeclaration,
@@ -1777,6 +1778,14 @@ function createCompletionEntry(
         hasAction = !importStatementCompletion;
     }
 
+    const parentNamedImportOrExport = findAncestor(location, isNamedImportsOrExports);
+    if (parentNamedImportOrExport?.kind === SyntaxKind.NamedImports) {
+        const possibleToken = stringToToken(name);
+        if (parentNamedImportOrExport && possibleToken && (possibleToken === SyntaxKind.AwaitKeyword || isNonContextualKeyword(possibleToken))) {
+            insertText = `${name} as ${name}_`;
+        }
+    }
+
     // TODO(drosen): Right now we just permit *all* semantic meanings when calling
     // 'getSymbolKind' which is permissible given that it is backwards compatible; but
     // really we should consider passing the meaning for the node so that we don't report