/**
 * PRD 构建器
 * 负责从会话上下文构建完整的产品需求文档
 */
import type { PRDSchema, SpecSpriteSession, ValidationResult } from '../core/types.js';
export declare class PRDBuilder {
    private prdSchema;
    constructor();
    /**
     * 从会话构建完整的 PRD
     */
    buildPRD(session: SpecSpriteSession): Promise<PRDSchema>;
    /**
     * 验证 PRD 格式和内容
     */
    validatePRD(prd: PRDSchema): ValidationResult;
    private buildMetadata;
    private buildProjectInfo;
    private buildTechStack;
    private buildFeatureFlags;
    private buildSpecifications;
    private buildConstraints;
    private buildEnvironment;
    private buildNextSteps;
    private extractProjectName;
    private extractProjectDescription;
    private buildKeyFeaturesList;
    private selectFramework;
    private selectDatabase;
    private selectUILibrary;
    private selectDeploymentPlatform;
    private selectAdditionalTools;
    private requiresAuth;
    private requiresAdmin;
    private inferTargetAudience;
    private inferScale;
    private createFeatureSpecification;
    private createBasicSpecification;
    private loadSchema;
}
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