*/
    String getAppCipherKey();

    /**
     * Get the value for the key 'app.digest.algorism'. <br>
     * The value is, e.g. sha256 <br>
     * comment: Algorithm for digest calculation.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getAppDigestAlgorism();

    /**

1em,\n    \"%\": 1%\n  );\n  @if ($dividend-unit != $divisor-unit and map-has-key($unit-map, $dividend-unit)) {\n    $result: $result * map-get($unit-map, $dividend-unit);\n  }\n  @return $result;\n}\n\n// Remove px-unit from $rfs-base-value for calculations\n@if $rfs-base-value-unit == px {\n  $rfs-base-value: divide($rfs-base-value, $rfs-base-value * 0 + 1);\n}\n@else if $rfs-base-value-unit == rem {\n  $rfs-base-value: divide($rfs-base-value, divide($rfs-base-value * 0 + 1, $rfs-rem-value));\n}\n\n//...

1em,\n    \"%\": 1%\n  );\n  @if ($dividend-unit != $divisor-unit and map-has-key($unit-map, $dividend-unit)) {\n    $result: $result * map-get($unit-map, $dividend-unit);\n  }\n  @return $result;\n}\n\n// Remove px-unit from $rfs-base-font-size for calculations\n@if $rfs-base-font-size-unit == \"px\" {\n  $rfs-base-font-size: divide($rfs-base-font-size, $rfs-base-font-size * 0 + 1);\n}\n@else if $rfs-base-font-size-unit == \"rem\" {\n  $rfs-base-font-size: divide($rfs-base-font-size, divide($rfs-base-font-size...