/**
 * Log levels for validation operations
 */
export type LogLevel = 'debug' | 'info' | 'warn' | 'error';
/**
 * Log entry structure
 */
export interface LogEntry {
    timestamp: Date;
    level: LogLevel;
    message: string;
    context?: Record<string, any>;
    operation?: string;
    duration?: number;
    error?: Error;
}
/**
 * Validation logger interface
 */
export interface ValidationLogger {
    /**
     * Log a message at the specified level
     */
    log(level: LogLevel, message: string, context?: Record<string, any>): void;
    /**
     * Log debug information
     */
    debug(message: string, context?: Record<string, any>): void;
    /**
     * Log informational message
     */
    info(message: string, context?: Record<string, any>): void;
    /**
     * Log warning message
     */
    warn(message: string, context?: Record<string, any>): void;
    /**
     * Log error message
     */
    error(message: string, error?: Error, context?: Record<string, any>): void;
    /**
     * Log validation operation start
     */
    logValidationStart(operation: string, context?: Record<string, any>): void;
    /**
     * Log validation operation completion
     */
    logValidationEnd(operation: string, duration: number, success: boolean, context?: Record<string, any>): void;
    /**
     * Get recent log entries
     */
    getRecentLogs(count?: number): LogEntry[];
}
/**
 * Monitoring hooks interface
 */
export interface ValidationMonitoringHooks {
    /**
     * Called before validation starts
     */
    onValidationStart?(context: {
        operation: string;
        contractId?: string;
        contractName?: string;
        rulesCount: number;
    }): void;
    /**
     * Called after validation completes
     */
    onValidationComplete?(context: {
        operation: string;
        duration: number;
        success: boolean;
        errorsCount: number;
        warningsCount: number;
        performance: any;
    }): void;
    /**
     * Called when a rule execution fails
     */
    onRuleFailure?(context: {
        ruleName: string;
        error: Error;
        executionTime: number;
    }): void;
    /**
     * Called when performance thresholds are exceeded
     */
    onPerformanceThresholdExceeded?(context: {
        metric: string;
        value: number;
        threshold: number;
        operation: string;
    }): void;
    /**
     * Called when plugins are loaded/unloaded
     */
    onPluginChange?(context: {
        action: 'loaded' | 'unloaded' | 'enabled' | 'disabled';
        pluginName: string;
        pluginVersion?: string;
    }): void;
}
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