* Get the value for the key 'crawler.document.append.data'. <br>
     * The value is, e.g. true <br>
     * comment: Whether to append data to documents.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getCrawlerDocumentAppendData();

    /**
     * Is the property for the key 'crawler.document.append.data' true? <br>
     * The value is, e.g. true <br>

.input-group-text + .input-group-text,\n.input-group-prepend .input-group-text + .btn,\n.input-group-append .btn + .btn,\n.input-group-append .btn + .input-group-text,\n.input-group-append .input-group-text + .input-group-text,\n.input-group-append .input-group-text + .btn {\n  margin-left: -1px;\n}\n\n.input-group-prepend {\n  margin-right: -1px;\n}\n\n.input-group-append {\n  margin-left: -1px;\n}\n\n.input-group-text {\n  display: -ms-flexbox;\n  display: flex;\n  -ms-flex-align: center;\n  align-items:...

Single side border-radius\n\n// Helper function to replace negative values with 0\n@function valid-radius($radius) {\n  $return: ();\n  @each $value in $radius {\n    @if type-of($value) == number {\n      $return: append($return, max($value, 0));\n    } @else {\n      $return: append($return, $value);\n    }\n  }\n  @return $return;\n}\n\n// scss-docs-start border-radius-mixins\n@mixin border-radius($radius: $border-radius, $fallback-border-radius: false) {\n  @if $enable-rounded {\n    border-radius:...