import 'colors';
import { AssignedExam, UUID_Options } from './core/assigned_exams';
import { Exam } from './core/exam_components';
import { ExamRenderer } from './core/exam_renderer';
import { StudentInfo } from './core/exam_specification';
type FullExamGeneratorOptions = {
    readonly frontend_js_path: string;
    readonly frontend_assets_dir: string;
    readonly assets_bundle_dir?: string;
    readonly uuid_options: UUID_Options;
    readonly allow_duplicates: boolean;
    readonly consistent_randomization?: boolean;
    readonly seed: string;
};
export type ExamGeneratorOptions = Partial<FullExamGeneratorOptions>;
export declare class ExamGenerator {
    readonly exam: Exam;
    readonly assignedExams: AssignedExam[];
    readonly assignedExamsByUniqname: {
        [index: string]: AssignedExam | undefined;
    };
    private readonly sectionsMap;
    private readonly questionsMap;
    private readonly sectionStatsMap;
    private readonly questionStatsMap;
    private readonly options;
    private onStatus?;
    private totalExams;
    constructor(exam: Exam, options?: ExamGeneratorOptions, onStatus?: (status: string) => void);
    assignExams(students: readonly StudentInfo[]): void;
    assignExam(student: StudentInfo): void;
    private assignExam_impl;
    private makeSeed;
    private checkExam;
    private writeStats;
    private updateStats;
    private writeAssets;
    renderExams(exam_renderer: ExamRenderer): string[];
    writeAll(exam_renderer: ExamRenderer, outDir?: string, dataDir?: string, clearExisting?: boolean): void;
}
export {};