index.field.filetype=filetype
index.field.filename=filename
index.field.thumbnail=thumbnail
index.field.virtual_host=virtual_host
response.field.content_title=content_title
response.field.content_description=content_description
response.field.url_link=url_link
response.field.site_path=site_path
response.max.title.length=50
response.max.site.path.length=100
response.highlight.content_title.enabled=true

    /** The key of the configuration. e.g. content_title */
    String RESPONSE_FIELD_content_title = "response.field.content_title";

    /** The key of the configuration. e.g. content_description */
    String RESPONSE_FIELD_content_description = "response.field.content_description";

    /** The key of the configuration. e.g. url_link */
    String RESPONSE_FIELD_url_link = "response.field.url_link";