import type { SignType } from './TrafficSignDataTypes.js';
export type SignQuestionsQaCategory = 'withQuestions' | 'withoutQuestions';
export declare const questionsQaFilters: readonly ["all", "with", "without"];
export type QuestionsQaFilter = (typeof questionsQaFilters)[number];
export declare const signHasQuestions: (sign: SignType) => boolean;
export declare const classifySignQuestionsQa: (sign: SignType) => SignQuestionsQaCategory;
export declare const matchesQuestionsQaFilter: (sign: SignType, filter: QuestionsQaFilter) => boolean;
export declare const filterSignsByQuestionsQa: (signs: SignType[], filter: QuestionsQaFilter) => SignType[];
export type QuestionsQaCounts = Record<QuestionsQaFilter, number>;
export declare const countSignsByQuestionsQa: (signs: SignType[]) => QuestionsQaCounts;
//# sourceMappingURL=questionsQa.d.ts.map