Add test and remove unused getters

Author: szuend

src/builder/builder.test.ts

@@ -181,6 +181,10 @@ describe("ScopeInfoBuilder", () => {
       assertStrictEquals(info.scopes[0], info.ranges[0].originalScope);
       assertStrictEquals(info.ranges[0].originalScope, scope);
     });
+
+    it("does nothing when no range is on the stack", () => {
+      builder.setRangeDefinitionScope(0);
+    });
   });
 
   describe("setRangeStackFrame", () => {

src/builder/builder.ts

@@ -205,14 +205,6 @@ export class ScopeInfoBuilder {
     return this.#rangeStack;
   }
 
-  protected get scopes(): ReadonlyArray<OriginalScope | null> {
-    return this.#scopes;
-  }
-
-  protected get ranges(): ReadonlyArray<GeneratedRange> {
-    return this.#ranges;
-  }
-
   protected isValidScopeNumber(n: number): boolean {
     return this.#countToScope.has(n);
   }