import { Token } from './types.js';

declare const isNumber: (token: Token) => boolean;
declare const isConstant: (token: Token) => boolean;
declare const isVariable: (token: Token) => boolean;
declare const isOperator: (token: Token) => boolean;
declare const isNamedFunction: (token: Token) => boolean;
declare const isLeftParenthesis: (token: Token) => boolean;
declare const isRightParenthesis: (token: Token) => boolean;
declare const isUnknown: (token: Token) => boolean;

export { isConstant, isLeftParenthesis, isNamedFunction, isNumber, isOperator, isRightParenthesis, isUnknown, isVariable };