Add UriTemplate.toString

Author: jspahrsummers

src/shared/uriTemplate.ts

@@ -30,16 +30,22 @@ export class UriTemplate {
       );
     }
   }
+  private readonly template: string;
   private readonly parts: Array<
     | string
     | { name: string; operator: string; names: string[]; exploded: boolean }
   >;
 
   constructor(template: string) {
     UriTemplate.validateLength(template, MAX_TEMPLATE_LENGTH, "Template");
+    this.template = template;
     this.parts = this.parse(template);
   }
 
+  toString(): string {
+    return this.template;
+  }
+
   private parse(
     template: string,
   ): Array<