# Data Structure ```typescript interface IElement { // basic id?: string; type?: { TEXT = 'text', IMAGE = 'image', TABLE = 'table', HYPERLINK = 'hyperlink', SUPERSCRIPT = 'superscript', SUBSCRIPT = 'subscript', SEPARATOR = 'separator', PAGE_BREAK = 'pageBreak', CONTROL = 'control', CHECKBOX = 'checkbox', RADIO = 'radio', LATEX = 'latex', TAB = 'tab', DATE = 'date', BLOCK = 'block' }; value: string; valueList?: IElement[]; // Use of composite elements (hyperlinks, titles, lists, and so on). extension?: unknown; externalId?: string; // style font?: string; size?: number; width?: number; height?: number; bold?: boolean; color?: string; highlight?: string; italic?: boolean; underline?: boolean; strikeout?: boolean; rowFlex?: { LEFT = 'left', CENTER = 'center', RIGHT = 'right', ALIGNMENT = 'alignment', JUSTIFY = 'justify' }; rowMargin?: number; letterSpacing?: number; textDecoration?: { style?: TextDecorationStyle; }; // groupIds groupIds?: string[]; // table conceptId?: string; colgroup?: { width: number; }[]; trList?: { height: number; pagingRepeat?: boolean; extension?: unknown; externalId?: string; tdList: { colspan: number; rowspan: number; conceptId?: string; verticalAlign?: VerticalAlign; backgroundColor?: string; borderTypes?: TdBorder[]; slashTypes?: TdSlash[]; value: IElement[]; extension?: unknown; externalId?: string; disabled?: boolean; deletable?: boolean; }[]; }[]; borderType?: TableBorder; // Hyperlinks url?: string; // Superscript and subscript actualSize?: number; // Dividing line dashArray?: number[]; // control control?: { type: { TEXT = 'text', SELECT = 'select', CHECKBOX = 'checkbox', RADIO = 'radio', DATE = 'date' }; value: IElement[] | null; placeholder?: string; conceptId?: string; prefix?: string; postfix?: string; minWidth?: number; underline?: boolean; border?: boolean; extension?: unknown; indentation?: ControlIndentation; rowFlex?: RowFlex deletable?: boolean; disabled?: boolean; pasteDisabled?: boolean; code: string | null; min?: number; max?: number; valueSets: { value: string; code: string; }[]; dateFormat?: string; font?: string; size?: number; bold?: boolean; color?: string; highlight?: string; italic?: boolean; strikeout?: boolean; }; controlComponent?: { PREFIX = 'prefix', POSTFIX = 'postfix', PLACEHOLDER = 'placeholder', VALUE = 'value', CHECKBOX = 'checkbox', RADIO = 'radio' }; // checkbox checkbox?: { value: boolean | null; }; // radio radio?: { value: boolean | null; }; // LaTeX laTexSVG?: string; // date dateFormat?: string; // picture imgDisplay?: { INLINE = 'inline', BLOCK = 'block' } imgFloatPosition?: { x: number; y: number; pageNo?: number; } // block block?: { type: { IFRAME = 'iframe', VIDEO = 'video' }; iframeBlock?: { src?: string; srcdoc?: string; }; videoBlock?: { src: string; }; }; // title level?: TitleLevel; title?: { conceptId?: string; deletable?: boolean; disabled?: boolean; }; // list listType?: ListType; listStyle?: ListStyle; listWrap?: boolean; } ```