if foundSum != "" && foundSum != h { // conflicting sums exist
				return "", false
			}
			foundSum = h
		}
	}
	return foundSum, true
}

// checkMod checks the given module's checksum and Go version.
func checkMod(ctx context.Context, mod module.Version) {
	// Do the file I/O before acquiring the go.sum lock.
	ziphash, err := CachePath(ctx, mod, "ziphash")
	if err != nil {

		return dir, err
	}

	// Check if a .ziphash file exists. It should be created before the
	// zip is extracted, but if it was deleted (by another program?), we need
	// to re-calculate it. Note that checkMod will repopulate the ziphash
	// file if it doesn't exist, but if the module is excluded by checks
	// through GONOSUMDB or GOPRIVATE, that check and repopulation won't happen.
	ziphashPath, err := CachePath(ctx, m, "ziphash")

        </p>
        <p>
          <b>Include</b><br>
          <input type="checkbox" id="stw" checked><label for="stw">STW</label>
          <span class="help">?<span>Stop-the-world stops all goroutines simultaneously.</span></span><br>
          <input type="checkbox" id="background" checked><label for="background">Background workers</label>

		}
	}

	apos3 := a.Pos(3)
	bpos3 := b.Pos(3)
	checkPos(apos3, "fileA:1:4")
	checkPos(bpos3, "fileB:1:4")
	checkNumFiles(2)

	// After removal, queries on fileA fail.
	fset.RemoveFile(a)
	checkPos(apos3, "-")
	checkPos(bpos3, "fileB:1:4")
	checkNumFiles(1)

	// idempotent / no effect
	fset.RemoveFile(a)
	checkPos(apos3, "-")
	checkPos(bpos3, "fileB:1:4")
	checkNumFiles(1)
}

var fset = token.NewFileSet()

type checkMode uint

const (
	export checkMode = 1 << iota
	rawFormat
	normNumber
	idempotent
	allowTypeParams
)

// format parses src, prints the corresponding AST, verifies the resulting
// src is syntactically correct, and returns the resulting src or an error
// if any.
func format(src []byte, mode checkMode) ([]byte, error) {
	// parse src

                if (referenceSelector != null) {
                    Element(PropertyAccess(checked(receiver!!), checked(referenceSelector!!), referenceSourceData!!))
                } else {
                    val functionCall = checked(functionCallSelector!!)
                    Element(FunctionCall(checked(receiver!!), functionCall.name, functionCall.args, functionCall.sourceData))
                }
            }

   * IOException}, {@code RuntimeException}, {@code Error} or a checked exception of the given type.
   * Otherwise, it will be rethrown wrapped in a {@code RuntimeException}. <b>Note:</b> Be sure to
   * declare all of the checked exception types your try block can throw when calling an overload of
   * this method so as to avoid losing the original exception type.
   *

   * IOException}, {@code RuntimeException}, {@code Error} or a checked exception of the given type.
   * Otherwise, it will be rethrown wrapped in a {@code RuntimeException}. <b>Note:</b> Be sure to
   * declare all of the checked exception types your try block can throw when calling an overload of
   * this method so as to avoid losing the original exception type.
   *

                        div().classAttr("form-check");
                            label().classAttr("form-check-label");
                                input().classAttr("form-check-input").type("checkbox").checked("true").value(tag.getName()).end();
                                if(tag.isValid()) {
                                    span().classAttr(tag.getClassAttr()).text(tag.getName()).end();

    public T get() {
      // A 2-field variant of Double Checked Locking.
      if (!initialized) {
        synchronized (this) {
          if (!initialized) {
            T t = delegate.get();
            value = t;
            initialized = true;
            return t;
          }
        }
      }
      // This is safe because we checked `initialized`.
      return uncheckedCastNullableTToT(value);
    }