fix export interface stuff

lib/mainFn/Origin.ts

@@ -1,19 +1,26 @@
 export class Origin {
   constructor(readonly protocol: string | null, readonly host: string) {}
 
-  withAuth(
-    origin?:
-      | {
-          password: null | string
-          username: string
-        }
-      | null
-      | undefined,
-  ) {
+  build({ basic, path, search }: BuildOptions) {
     // prettier-ignore
-    const urlAuth = !!(origin) ? `${origin.username}${origin.password != null ?`:${origin.password}`:''}@` :
+    const urlAuth = !!(basic) ? `${basic.username}${basic.password != null ?`:${basic.password}`:''}@` :
             '';
     const protocolSection = this.protocol != null ? `${this.protocol}://` : ""
-    return `${protocolSection}${urlAuth}${this.host}`
+
+    const qpEntries = Object.entries(search)
+      .map(
+        ([key, val]) => `${encodeURIComponent(key)}=${encodeURIComponent(val)}`,
+      )
+      .join("&")
+
+    const qp = qpEntries.length ? `?${qpEntries}` : ""
+
+    return `${protocolSection}${urlAuth}${this.host}${path}${qp}`
   }
 }
+
+type BuildOptions = {
+  basic: { username: string; password: string | null } | null
+  path: string
+  search: Record<string, string>
+}