export type TokenKind = 'whitespace' | 'comment' | 'string' | 'number' | 'dice' | 'variable' | 'identifier' | 'structured-die' | 'keyword' | 'reducer' | 'aggregator' | 'functor' | 'filter' | 'param-field' | 'operator' | 'numeric-operator' | 'punct' | 'error';
export interface Token {
    kind: TokenKind;
    start: number;
    end: number;
    text: string;
}
export declare function tokenize(source: string): Token[];
export declare const POSTFIX_KEYWORDS: Set<string>;
export declare const POSTFIX_RANGE_COUNTERS: Set<string>;