import { OpenXmlError } from '../utils/exceptions';
export declare class TokenizerError extends OpenXmlError {
    readonly name = "TokenizerError";
}
export declare const LITERAL = "LITERAL";
export declare const OPERAND = "OPERAND";
export declare const FUNC = "FUNC";
export declare const ARRAY = "ARRAY";
export declare const PAREN = "PAREN";
export declare const SEP = "SEP";
export declare const OP_PRE = "OPERATOR-PREFIX";
export declare const OP_IN = "OPERATOR-INFIX";
export declare const OP_POST = "OPERATOR-POSTFIX";
export declare const WSPACE = "WHITE-SPACE";
type TokenType = typeof LITERAL | typeof OPERAND | typeof FUNC | typeof ARRAY | typeof PAREN | typeof SEP | typeof OP_PRE | typeof OP_IN | typeof OP_POST | typeof WSPACE;
export declare const TEXT = "TEXT";
export declare const NUMBER = "NUMBER";
export declare const LOGICAL = "LOGICAL";
export declare const ERROR = "ERROR";
export declare const RANGE = "RANGE";
export declare const OPEN = "OPEN";
export declare const CLOSE = "CLOSE";
export declare const ARG = "ARG";
export declare const ROW = "ROW";
type TokenSubtype = '' | typeof TEXT | typeof NUMBER | typeof LOGICAL | typeof ERROR | typeof RANGE | typeof OPEN | typeof CLOSE | typeof ARG | typeof ROW;
export interface Token {
    value: string;
    type: TokenType;
    subtype: TokenSubtype;
}
/** Build an OPERAND token, deriving the subtype from the value's shape. */
export declare function makeOperand(value: string): Token;
/**
 * Build a "subexpression" token (FUNC / PAREN / ARRAY, OPEN or CLOSE).
 *
 * `value` must end with one of `{ } ( )`. If `func` is true, the type is forced
 * to FUNC regardless of the bare-bracket heuristic — mirrors the `func=True`
 * overload in openpyxl `Token.make_subexp`.
 */
export declare function makeSubexp(value: string, func?: boolean): Token;
/** Build a SEP token (',' → ARG, ';' → ROW). */
export declare function makeSeparator(value: ',' | ';'): Token;
/** Scientific-notation guard: matches a coefficient ending in `[Ee]`. */
export declare const SN_RE: RegExp;
/** Whitespace run (space + LF, per Excel formula whitespace rules). */
export declare const WSPACE_RE: RegExp;
/** "..."-delimited string literal. Internal `""` is an escaped quote. */
export declare const STRING_DOUBLE_RE: RegExp;
/** '...'-delimited link / sheet name. Internal `''` is an escaped apostrophe. */
export declare const STRING_SINGLE_RE: RegExp;
/**
 * Tokenize a formula string into a flat list of `Token`s.
 *
 * Mirrors `openpyxl.formula.tokenizer.Tokenizer(formula).items`. A formula that
 * does not start with `=` becomes a single LITERAL token. Empty input yields
 * the empty array.
 */
export declare function tokenize(formula: string): Token[];
/** Render a token list back into the original formula string. */
export declare function renderTokens(items: ReadonlyArray<Token>): string;
export {};