*   Added `tf.keras.__internal__.KerasTensor`,`tf.keras.__internal__.SparseKerasTensor`, and `tf.keras.__internal__.RaggedKerasTensor` classes. You can use these classes to do instance type checking and type annotations for layer/model inputs and outputs.

Before Starlette `0.24.0`, a new instance of each middleware class would be created when a new middleware was added. That normally was not a problem, unless the middleware class expected to be created only once, with only one instance, that happened in some cases. This upgrade would solve those cases (thanks [@adriangb](https://github.com/adriangb)! Starlette PR [#2017](https://github.com/encode/starlette/pull/2017)). Now the middleware class instances are created once, right before the first request...

\"rem\" or $rfs-breakpoint-unit-cache == \"em\" {\n  $rfs-breakpoint: divide($rfs-breakpoint, divide($rfs-breakpoint * 0 + 1, $rfs-rem-value));\n}\n\n// Internal mixin that adds disable classes to the selector if needed.\n@mixin _rfs-disable-class {\n  @if $rfs-class == \"disable\" {\n    // Adding an extra class increases specificity, which prevents the media query to override the font size\n    &,\n    .disable-responsive-font-size &,\n    &.disable-responsive-font-size {\n      @content;\n   ...

@if type-of($properties) == \"string\" {\n      $properties: append((), $properties);\n    }\n\n    // Use custom class if present\n    $property-class: if(map-has-key($utility, class), map-get($utility, class), nth($properties, 1));\n    $property-class: if($property-class == null, \"\", $property-class);\n\n    // Use custom CSS variable name if present, otherwise default to `class`\n    $css-variable-name: if(map-has-key($utility, css-variable-name), map-get($utility, css-variable-name), map-get($utility,...

     */
    String getLdapAdminUserBaseDn();

    /**
     * Get the value for the key 'ldap.admin.user.object.classes'. <br>
     * The value is, e.g. organizationalPerson,top,person,inetOrgPerson <br>
     * comment: Object classes for LDAP admin user.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */