/**
     * Get the value for the key 'adaptive.load.control'. <br>
     * The value is, e.g. 50 <br>
     * comment: Adaptive load control value.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getAdaptiveLoadControl();

    /**
     * Get the value for the key 'adaptive.load.control' as {@link Integer}. <br>

        if (StringUtil.isBlank(fessConfig.getIndexReindexRequestsPerSecond())) {
            return null;
        }
        final String value = fessConfig.getIndexReindexRequestsPerSecond();
        if ("adaptive".equalsIgnoreCase(value)) {
            if (fessConfig.availableProcessors() >= 4) {
                return null;
            }

--#{$prefix}form-check-bg-image: #{escape-svg($form-check-input-indeterminate-bg-image)};\n    }\n  }\n\n  &:disabled {\n    pointer-events: none;\n    filter: none;\n    opacity: $form-check-input-disabled-opacity;\n  }\n\n  // Use disabled attribute in addition of :disabled pseudo-class\n  // See: https://github.com/twbs/bootstrap/issues/28247\n  &[disabled],\n  &:disabled {\n    ~ .form-check-label {\n      cursor: default;\n      opacity: $form-check-label-disabled-opacity;\n    }\n  }\n}\n\n.form-check-label...