import type { Category, ClassifiedRequirement, ExtractionResult, GeneratedRequirement, JsonRequirement, OutputFormat } from "./types.js";
/**
 * Generate the filename for a requirement.
 */
export declare function generateFilename(prefix: string, projectPrefix: string, seq: number, title: string): string;
/**
 * Generate the full ID for a requirement.
 */
export declare function generateId(prefix: string, projectPrefix: string, seq: number): string;
/**
 * Create output directory structure upfront.
 */
export declare function ensureOutputDirs(outputDir: string, categories: Category[]): void;
/**
 * Write a single requirement file to disk immediately.
 * Returns the file path or null on error.
 */
export declare function writeSingleRequirement(req: GeneratedRequirement, outputDir: string): string[];
/**
 * Write all generated requirements to disk.
 */
export declare function writeRequirements(requirements: GeneratedRequirement[], outputDir: string, categories: Category[], outputFormat?: OutputFormat): ExtractionResult;
/**
 * Convert generated requirements to a structured JSON array.
 */
export declare function toJsonRequirements(requirements: GeneratedRequirement[], categories: Category[]): JsonRequirement[];
/**
 * Convert a single generated requirement to JSON format.
 */
export declare function toSingleJsonRequirement(req: GeneratedRequirement, categories: Category[]): JsonRequirement;
/**
 * Assign sequential numbers per category and generate filenames.
 */
export declare function assignSequences(classified: Array<{
    id_suggestion: string;
    title: string;
    summary: string;
    page_range: string;
    raw_text: string;
    category: string;
    categories: string[];
}>, categories: Category[], projectPrefix: string): ClassifiedRequirement[];
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