The available sort field are "created", "content_length" and
		"last_modified", and they are customizable.
	</dd>
	<dt>AND</dt>
	<dd>
		AND operator is the default conjunction operator. You can omit it from
		a query. AND operator matches documents where both terms exist
		anywhere in the text of a single document.
		<pre>Fess AND CodeLibs</pre>
	</dd>
	</dd>
	<dt>OR</dt>
	<dd>

            type: integer
            minimum: 0
            exclusiveMinimum: false
            default: 0
            example: 0
        - name: offset
          in: query
          description: Offset from a start position
          required: false
          schema:
            type: integer
            minimum: 0
            exclusiveMinimum: false
            default: 0
            example: 0
        - name: num