code: public DynamicByteBuffer add( byte value ) {
  
          if ( 1 + length < capacity ) {
              DynamicByteBufferHelper.idx( buffer, length, value );
          } else {
              buffer = DynamicByteBufferHelper.grow( buffer );
              capacity = buffer.length;
  
              DynamicByteBufferHelper.idx( buffer, length, value );
          }
  
          length += 1;
  
          return this;
  
      }
docs: Adds the.
  
  @param value the value
  @return the dynamic byte buffer