import type { Token } from "./types";
export declare const isNumber: (token: Token) => boolean;
export declare const isConstant: (token: Token) => boolean;
export declare const isVariable: (token: Token) => boolean;
export declare const isOperator: (token: Token) => boolean;
export declare const isNamedFunction: (token: Token) => boolean;
export declare const isLeftParenthesis: (token: Token) => boolean;
export declare const isRightParenthesis: (token: Token) => boolean;
export declare const isUnknown: (token: Token) => boolean;
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