Make AssertEntry and AssertClause interfaces (#56485)

Author: andrewbranch

src/compiler/types.ts

@@ -858,7 +858,7 @@ export const enum ModifierFlags {
  Protected = 1 << 2, // Property/Method
  Readonly = 1 << 3, // Property/Method
  Override = 1 << 4, // Override method.
- 
+
  // Syntactic-only modifiers
  Export = 1 << 5, // Declarations
  Abstract = 1 << 6, // Class/Method/ConstructSignature
@@ -3663,10 +3663,10 @@ export interface ImportClause extends NamedDeclaration {
 export type AssertionKey = ImportAttributeName;
 
 /** @deprecated */
-export type AssertEntry = ImportAttribute;
+export interface AssertEntry extends ImportAttribute {}
 
 /** @deprecated */
-export type AssertClause = ImportAttributes;
+export interface AssertClause extends ImportAttributes {}
 
 export type ImportAttributeName = Identifier | StringLiteral;
 

tests/baselines/reference/api/typescript.d.ts

@@ -6020,9 +6020,11 @@ declare namespace ts {
  /** @deprecated */
  type AssertionKey = ImportAttributeName;
  /** @deprecated */
- type AssertEntry = ImportAttribute;
+ interface AssertEntry extends ImportAttribute {
+ }
  /** @deprecated */
- type AssertClause = ImportAttributes;
+ interface AssertClause extends ImportAttributes {
+ }
  type ImportAttributeName = Identifier | StringLiteral;
  interface ImportAttribute extends Node {
  readonly kind: SyntaxKind.ImportAttribute;