build: fix build errors

Author: omermecitoglu

src/index.ts

@@ -1,7 +1,7 @@
 import type { ComponentsObject } from "./components";
 import type { InfoObject } from "./info";
 import type { PathsObject } from "./paths";
-import { ServerObject } from "./server";
+import type { ServerObject } from "./server";
 import type { TagObject } from "./tag";
 
 type AtLeastOne<T, U = { [K in keyof T]: Pick<T, K> }> = Partial<T> & U[keyof U];

src/server.ts

@@ -11,9 +11,9 @@ export type ServerObject = {
    * A map between a variable name and its value. The value is used for substitution in the server's URL template.
    */
   variables?: Record<string, ServerVariableObject>,
-}
+};
 
-export type ServerVariableObject = {
+type ServerVariableObject = {
   /**
    * An enumeration of string values to be used if the substitution options are from a limited set. The array MUST NOT be empty.
    */
@@ -26,4 +26,4 @@ export type ServerVariableObject = {
    * An optional description for the server variable. CommonMark syntax MAY be used for rich text representation.
    */
   description: string,
-}
+};