code: function (value, length, pad) {
          return _gpfToBaseANY(_gpfB64, value, {
              length: length,
              pad: pad
          });
      }
docs: Returns the base 64 encoding of value.
  
  @param {Number} value
  @param {Number} length of encoding
  @param {String} [pad="0"] pad
  @return {String}