code: public JBBPDslBuilder BitArray(final String name, final String bitLenExpression, final int size) {
      return this.BitArray(name, bitLenExpression, arraySizeToString(size));
    }
docs: Add named fixed length bit array, size of one bit field is calculated by expression.
  
  @param name             name of the array, if null then anonymous one
  @param bitLenExpression expression to calculate length of the bit field, must not be null
  @param size             number of elements in array, if negative then till the end of stream
  @return the builder instance, must not be null