/**
 * Security validation utilities
 */
/**
 * Validate ID format - alphanumeric, hyphens, underscores only
 * Prevents injection attacks and ensures safe usage in maps/keys
 */
export declare function validateId(id: string, entityType?: string): void;
/**
 * Validate message content length
 */
export declare function validateMessageLength(message: string): void;
/**
 * Validate pipeline agent count
 */
export declare function validatePipelineAgentCount(count: number): void;
/**
 * Validate accumulated message count in pipeline
 */
export declare function validatePipelineMessageCount(count: number): void;
/**
 * Validate regex pattern to prevent ReDoS attacks
 * Checks for potentially dangerous patterns that could cause catastrophic backtracking
 */
export declare function validateRegexPattern(pattern: string): boolean;
/**
 * Sanitize error messages to prevent information leakage
 */
export declare function sanitizeError(error: unknown, context?: string): Error;
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