refact: type only import

Author: danielpza

src/harmony/versions/four-seven.ts

@@ -13,7 +13,7 @@ import TsCurrentModule, {
   ModuleName,
   NamedExportBindings,
 } from "typescript";
-import TsFourSevenModule from "typescript-4.7";
+import type TsFourSevenModule from "typescript-4.7";
 import { TsTransformPathsContext } from "../../types";
 import { DownSampleTsTypes } from "../utils";
 

src/harmony/versions/three-eight.ts

@@ -18,7 +18,7 @@ import TsCurrentModule, {
   NamedImportBindings,
   TypeNode,
 } from "typescript";
-import TsThreeEightModule from "typescript-3";
+import type TsThreeEightModule from "typescript-3";
 import { TsTransformPathsContext } from "../../types";
 import { DownSampleTsTypes } from "../utils";