ALLOWED_HTML_ATTRIBUTES: Readonly<
    {
        "*": readonly [
            "class",
            "data-*",
            "id",
            "title",
            "style",
            "draggable",
            "aria-*",
            "tabindex",
            "dir",
            "hidden",
            "inert",
            "role",
            "is",
            "lang",
            "popover",
            "autocapitalize",
            "autocorrect",
            "autofocus",
            "contenteditable",
            "spellcheck",
            "translate",
        ];
        a: readonly ["href", "name", "target", "rel"];
        area: readonly ["alt", "coords", "href", "rel", "shape", "target"];
        audio: readonly ["controls", "loop", "muted", "src", "autoplay"];
        blockquote: readonly ["cite"];
        button: readonly ["disabled", "name", "type", "value"];
        "code-mirror": readonly [
            "disabled",
            "name",
            "value",
            "placeholder",
            "readonly",
            "required",
            "language",
            "indent",
            "nowrap",
        ];
        col: readonly ["span"];
        colgroup: readonly ["span"];
        "color-picker": readonly [
            "disabled",
            "name",
            "value",
            "placeholder",
            "readonly",
            "required",
        ];
        details: readonly ["open"];
        "document-embed": readonly ["uuid"];
        "document-tags": readonly [
            "disabled",
            "name",
            "value",
            "placeholder",
            "readonly",
            "required",
            "type",
            "single",
            "max",
        ];
        "enriched-content": readonly ["enricher"];
        fieldset: readonly ["disabled"];
        "file-picker": readonly [
            "disabled",
            "name",
            "value",
            "placeholder",
            "readonly",
            "required",
            "type",
            "noupload",
        ];
        form: readonly ["name"];
        "hue-slider": readonly [
            "disabled",
            "name",
            "value",
            "readonly",
            "required",
        ];
        iframe: readonly [
            "src",
            "srcdoc",
            "name",
            "height",
            "width",
            "loading",
            "sandbox",
        ];
        img: readonly [
            "height",
            "src",
            "width",
            "usemap",
            "sizes",
            "srcset",
            "alt",
        ];
        input: readonly [
            "checked",
            "disabled",
            "name",
            "value",
            "placeholder",
            "type",
            "alt",
            "height",
            "list",
            "max",
            "min",
            "readonly",
            "size",
            "src",
            "step",
            "width",
            "required",
        ];
        label: readonly ["for"];
        li: readonly ["value"];
        map: readonly ["name"];
        meter: readonly ["value", "min", "max", "low", "high", "optimum"];
        "multi-checkbox": readonly ["disabled", "name", "required"];
        "multi-select": readonly ["disabled", "name", "required"];
        ol: readonly ["reversed", "start", "type"];
        optgroup: readonly ["disabled", "label"];
        option: readonly ["disabled", "selected", "label", "value"];
        output: readonly ["for", "form", "name"];
        progress: readonly ["max", "value"];
        "prose-mirror": readonly [
            "disabled",
            "name",
            "value",
            "placeholder",
            "readonly",
            "required",
            "toggled",
            "open",
        ];
        "range-picker": readonly [
            "disabled",
            "name",
            "value",
            "placeholder",
            "readonly",
            "min",
            "max",
            "step",
        ];
        select: readonly ["name", "disabled", "multiple", "size", "required"];
        source: readonly ["media", "sizes", "src", "srcset", "type"];
        "string-tags": readonly [
            "disabled",
            "name",
            "value",
            "placeholder",
            "readonly",
            "required",
        ];
        table: readonly ["border"];
        td: readonly ["colspan", "headers", "rowspan"];
        textarea: readonly [
            "rows",
            "cols",
            "disabled",
            "name",
            "readonly",
            "wrap",
            "required",
        ];
        th: readonly ["abbr", "colspan", "headers", "rowspan", "scope", "sorted"];
        time: readonly ["datetime"];
        track: readonly ["default", "kind", "label", "src", "srclang"];
        video: readonly [
            "controls",
            "height",
            "width",
            "loop",
            "muted",
            "poster",
            "src",
            "autoplay",
        ];
    },
> = ...

The list of allowed attributes in HTML elements.