export declare const $_FALSE: "_false";
export type FalseType = typeof $_FALSE;
export declare const $_ERROR: "_error";
export declare const STR_TAG: "_hson_str";
export declare const VAL_TAG: "_hson_val";
export declare const ROOT_TAG: "_hson_root";
export declare const II_TAG: "_hson_ii";
export declare const OBJ_TAG: "_hson_obj";
export declare const ARR_TAG: "_hson_arr";
export declare const ELEM_TAG: "_hson_elem";
export declare const HSON_SYS_PREFIX: "_hson_";
export declare const HTML_KEY_PREFIX: "_-_-";
export declare const ATTRS_KEY: "$_attrs";
export declare const META_KEY: "$_meta";
export declare const TAG_KEY: "$_tag";
export declare const CONTENT_KEY: "$_content";
export declare const VSN_TAGS: string[];
export declare const EVERY_VSN: string[];
export type VSNTag = typeof VSN_TAGS[number];
export declare const LEAF_NODES: string[];
export declare const ELEM_OBJ_ARR: string[];
export declare const ELEM_OBJ: ("_hson_obj" | "_hson_elem")[];
export type ElemObjType = typeof ELEM_TAG | typeof OBJ_TAG;
export type ElemObjArrType = typeof ELEM_OBJ_ARR;
export declare const $Hson: "hson";
export declare const $JSON: "json";
export declare const $HTML: "html";
export declare const $NODES: "nodes";
export declare const $RENDER: {
    readonly Hson: "hson";
    readonly HTML: "html";
    readonly JSON: "json";
    readonly NODES: "nodes";
};
export declare const $HSON_FRAME: {
    readonly GEN: "generate";
    readonly STD: "standard";
    readonly SUBSET: "subset";
};
export declare const _HSON_ = "_hson_";
export declare const HSON_META_MARKUP_PREFIX: "hson:";
export declare const HSON_META_INDEX: "index";
export declare const HSON_META_QUID: "quid";
/** Private XML-only spelling used while literal `hson:*` names cross DOMParser. */
export declare const HSON_META_TRANSIT_PREFIX: "_hson_meta_attr_v2_";
export declare const _TRANSIT_PREFIX = "_hson_attr_transit_v1_";
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