export interface Token {
    type: "HEADER_KEY" | "HEADER_VALUE" | "NODE_START" | "NODE_END" | "OPTION" | "COMMAND" | "TEXT" | "EMPTY" | "INDENT" | "DEDENT" | "EOF";
    text: string;
    line: number;
    column: number;
}
export declare function lex(input: string): Token[];