* comment: Number of primary shards for the index.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getIndexNumberOfShards();

    /**
     * Get the value for the key 'index.number_of_shards' as {@link Integer}. <br>
     * The value is, e.g. 5 <br>
     * comment: Number of primary shards for the index.

elements\n  > .form-control:focus,\n  > .form-select:focus,\n  > .form-floating:focus-within {\n    z-index: 5;\n  }\n\n  // Ensure buttons are always above inputs for more visually pleasing borders.\n  // This isn't needed for `.input-group-text` since it shares the same border-color\n  // as our inputs.\n  .btn {\n    position: relative;\n    z-index: 2;\n\n    &:focus {\n      z-index: 5;\n    }\n  }\n}\n\n\n// Textual addons\n//\n// Serves as a catch-all element for any text or radio/checkbox input you...

and\n// 3) support HTML5 form validation.\n\n.input-group-prepend,\n.input-group-append {\n  display: flex;\n\n  // Ensure buttons are always above inputs for more visually pleasing borders.\n  // This isn't needed for `.input-group-text` since it shares the same border-color\n  // as our inputs.\n  .btn {\n    position: relative;\n    z-index: 2;\n\n    &:focus {\n      z-index: 3;\n    }\n  }\n\n  .btn + .btn,\n  .btn + .input-group-text,\n  .input-group-text + .input-group-text,\n  .input-group-text...