export declare const DEFAULT_FORMAT: 0; export declare const IS_BOLD: 1; export declare const IS_ITALIC: 2; export declare const IS_STRIKETHROUGH: 4; export declare const IS_UNDERLINE: 8; export declare const IS_CODE: 16; export declare const IS_SUBSCRIPT: 32; export declare const IS_SUPERSCRIPT: 64; export declare const IS_HIGHLIGHT: 128;