export type TokenRole = 'open' | 'close' | 'block';
export interface Token {
    role: TokenRole;
    value: string;
    sequence?: string;
    tag?: TagType;
    groups?: {
        [key: string]: string;
    };
    /** For link tokens: the href and optional title. */
    href?: string;
    title?: string;
    meta?: Record<string, string>;
}
/**
 * A Tag is the core abstraction: it knows how to match markdown syntax,
 * convert it to HTML, and convert the HTML back to markdown. Tags are
 * registered by HTML selector (e.g. 'STRONG,B') so the converter can
 * look them up during HTML→markdown conversion.
 */
export interface TagType {
    element: string[];
    opener: string[];
    closer: string | null;
    precedence: number;
    isBlock: boolean;
    template?: string;
    pattern?: RegExp | null;
    showDelimitersInEditorNodes?: boolean;
    aliases?: string[];
    tokenize(role: TokenRole, sequence: string, value: string): Token | null;
    toHTML: (token: Token, callback: Function) => string;
    toMarkdown: (element: HTMLElement, callback: Function) => string;
    toEditorNode: (token: Token, callback: Function) => Node | null;
}
export interface TagCollectionType {
    tags: Record<string, TagType>;
    ordered: TagType[];
    map: Map<string, TagType[]>;
    getByElementName(element: string): TagType | undefined;
}