NavigableMap<String, String> innermost = new SafeTreeMap<>();
                    for (Entry<String, String> entry : entries) {
                      innermost.put(entry.getKey(), entry.getValue());
                    }
                    TestMap<String, String> inner = new TestMap<>(innermost, mutex);

  @GwtIncompatible
  @Deprecated
  public static RuntimeException propagate(Throwable throwable) {
    throwIfUnchecked(throwable);
    throw new RuntimeException(throwable);
  }

  /**
   * Returns the innermost cause of {@code throwable}. The first throwable in a chain provides
   * context from when the error or exception was initially detected. Example usage:
   *
   * <pre>

    for (int i = 0; i < 100000; i++) {
      SettableFuture<String> curr = SettableFuture.create();
      prev.setFuture(curr);
      prev = curr;
    }
    // prev represents the 'innermost' future
    prev.set("done");
    assertTrue(orig.isDone());
  }

  // Verify that StackOverflowError in a long chain of SetFuture doesn't cause the entire toString
  // call to fail
  @J2ktIncompatible

pkg go/types, method (*Scope) Child(int) *Scope
pkg go/types, method (*Scope) Contains(token.Pos) bool
pkg go/types, method (*Scope) End() token.Pos
pkg go/types, method (*Scope) Innermost(token.Pos) *Scope
pkg go/types, method (*Scope) Insert(Object) Object
pkg go/types, method (*Scope) Len() int
pkg go/types, method (*Scope) Lookup(string) Object