code: function CLASSIC( buffer, start, end ) {
  
    if( !(this instanceof CLASSIC) )
      return new CLASSIC( buffer, start, end )
  
    MBR.call( this, buffer, start, end )
  
  }
docs: CLASSIC (classical generic)
  @class
  @extends {MBR}
  @memberOf MBR
  @param {Buffer} [buffer]
  @param {Number} [start]
  @param {Number} [end]
  @returns {CLASSIC}