index.js
function (value) {
        if (is(value).a(Object)) value = Unirest.serializers.form(value)
        if (!value.length) return $this
        $this.options.url += (does($this.options.url).contain('?') ? '&' : '?') + value
        return $this
      }
function (value) {
        if (is(value).a(Object)) value = Unirest.serializers.form(value)
        if (!value.length) return $this
        $this.options.url += (does($this.options.url).contain('?') ? '&' : '?') + value
        return $this
      }
function ( value ) { if ( is ( value ) . a ( Object ) ) value = Unirest . serializers . form ( value ) if ( ! value . length ) return $this $this . options . url += ( does ( $this . options . url ) . contain ( '?' ) ? '&' : '?' ) + value return $this }
Serialize value as querystring representation, and append or set on `Request.options.url`

@param  {String|Object} value
@return {Object}
Serialize value as querystring representation and append or set on Request . options . url