boolean needsAllocArrays() {
    return table == null;
  }

  /** Handle lazy allocation of arrays. */
  @CanIgnoreReturnValue
  int allocArrays() {
    Preconditions.checkState(needsAllocArrays(), "Arrays already allocated");

    int expectedSize = metadata;
    int buckets = CompactHashing.tableSize(expectedSize);
    this.table = CompactHashing.createTable(buckets);

    public GradleExecuter expectDeprecationWarning() {
        return expectDeprecationWarnings(1);
    }

    @Override
    public GradleExecuter expectDeprecationWarnings(int count) {
        Preconditions.checkState(expectedGenericDeprecationWarnings == 0, "expected deprecation count is already set for this execution");
        Preconditions.checkArgument(count > 0, "expected deprecation count must be positive");