import { BaseMetadata, TaskMetadata, EpicMetadata, ProjectMetadata, MetadataChange, MetadataValue, EntityLifecycle } from '../types/metadata-types.js';
import { AtomicTask, Epic, Project } from '../types/task.js';
import { OpenRouterConfig } from '../../../types/workflow.js';
export interface MetadataEnrichmentOptions {
    useAI?: boolean;
    analyzeComplexity?: boolean;
    estimatePerformance?: boolean;
    assessQuality?: boolean;
    enhanceTags?: boolean;
    updateExisting?: boolean;
}
export interface MetadataValidationResult {
    isValid: boolean;
    errors: MetadataValidationError[];
    warnings: MetadataValidationWarning[];
    suggestions: MetadataImprovement[];
}
export interface MetadataValidationError {
    field: string;
    message: string;
    severity: 'error' | 'critical';
    suggestedFix?: string;
}
export interface MetadataValidationWarning {
    field: string;
    message: string;
    impact: 'low' | 'medium' | 'high';
}
export interface MetadataImprovement {
    field: string;
    description: string;
    suggestedValue?: MetadataValue;
    benefit: string;
}
export interface MetadataSearchFilters {
    entityType?: 'task' | 'epic' | 'project';
    entityIds?: string[];
    lifecycles?: EntityLifecycle[];
    createdBy?: string[];
    dateRange?: {
        start: Date;
        end: Date;
    };
    attributes?: Record<string, MetadataValue>;
    minVersion?: number;
    tags?: string[];
}
export interface MetadataAnalytics {
    totalEntities: number;
    completeness: {
        average: number;
        byEntityType: Record<string, number>;
        byLifecycle: Record<EntityLifecycle, number>;
    };
    changeFrequency: {
        daily: number;
        weekly: number;
        monthly: number;
    };
    activeUsers: {
        user: string;
        changes: number;
        percentage: number;
    }[];
    commonAttributes: {
        attribute: string;
        usage: number;
        percentage: number;
    }[];
    quality: {
        average: number;
        distribution: Record<string, number>;
        trends: {
            improving: number;
            stable: number;
            declining: number;
        };
    };
}
export declare class MetadataService {
    private static instance;
    private config;
    private tagService;
    private metadataCache;
    private changeHistory;
    private constructor();
    static getInstance(config: OpenRouterConfig): MetadataService;
    createTaskMetadata(task: AtomicTask, options?: MetadataEnrichmentOptions): Promise<TaskMetadata>;
    createEpicMetadata(epic: Epic, options?: MetadataEnrichmentOptions): Promise<EpicMetadata>;
    createProjectMetadata(project: Project, options?: MetadataEnrichmentOptions): Promise<ProjectMetadata>;
    updateMetadata(entityId: string, updates: Partial<BaseMetadata>, updatedBy: string, reason?: string): Promise<BaseMetadata>;
    validateMetadata(metadata: BaseMetadata): Promise<MetadataValidationResult>;
    getMetadataAnalytics(filters?: MetadataSearchFilters): Promise<MetadataAnalytics>;
    searchMetadata(filters: MetadataSearchFilters): Promise<BaseMetadata[]>;
    getChangeHistory(entityId: string): MetadataChange[];
    private createBaseMetadata;
    private createTagCollection;
    private analyzeComplexity;
    private estimatePerformance;
    private assessQuality;
    private createCollaborationMetadata;
    private createIntegrationMetadata;
    private recordChange;
    private calculateTechnicalComplexity;
    private calculateBusinessComplexity;
    private calculateIntegrationComplexity;
    private identifyComplexityFactors;
    private calculateEfficiency;
    private calculateResourceUtilization;
    private calculateScalability;
    private createQualityGates;
    private applyFilters;
    private calculateAverageCompleteness;
    private calculateCompletenessByType;
    private calculateCompletenessByLifecycle;
    private calculateChangeFrequency;
    private calculateActiveUsers;
    private calculateCommonAttributes;
    private calculateQualityMetrics;
    private enrichTaskMetadataWithAI;
    private enrichEpicMetadataWithAI;
    private enrichProjectMetadataWithAI;
    private createScopeMetadata;
    private createProgressMetadata;
    private createResourceMetadata;
    private createProjectClassification;
    private createBusinessMetadata;
    private createTechnicalMetadata;
    private createGovernanceMetadata;
    cleanup(): Promise<void>;
}
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