export declare function criteriaDialect(criteria: string, allowed?: ReadonlySet<string>, types?: ReadonlyMap<string, string>): {
    text: string;
    at: number;
} | undefined;
export declare function dialectRefusal(criteria: string, allowed?: ReadonlySet<string>, types?: ReadonlyMap<string, string>): string | undefined;
export declare function strictCriteriaRefusal(criteria: string, allowed?: ReadonlySet<string>, types?: ReadonlyMap<string, string>): string | undefined;