import type { TechStackItem, ConceptHintItem, EducationalAnalysisData, CurriculumContext } from "../types.js";
export type Locale = "ko" | "en";
export declare function formatTechStack(t: TechStackItem): string;
export declare function formatKBHints(kbHints: Record<string, ConceptHintItem[]>, locale: Locale): string;
export declare function formatEducationalAnalysis(analysis: EducationalAnalysisData, difficulty: string, locale: Locale): string;
export declare function buildLevelGuidance(difficulty: string, locale: Locale): string;
/**
 * Filter KB hints to only include entries relevant to a specific module's tech_name.
 * Also includes hints for prerequisite technologies.
 */
export declare function filterKBHintsForModule(allHints: Record<string, ConceptHintItem[]>, techName: string): Record<string, ConceptHintItem[]>;
export interface CachedCurriculumData {
    context: CurriculumContext;
    localFiles: Array<{
        file_path: string;
        content: string;
    }>;
}
export declare function getCachedCurriculumData(projectId: string): CachedCurriculumData | null;
export declare function setCachedCurriculumData(projectId: string, context: CurriculumContext, localFiles: Array<{
    file_path: string;
    content: string;
}>): void;
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