/**
 * [WHO]: sanitizeDiagnosticValue(), normalizeDiagnosticMessage()
 * [FROM]: No external dependencies
 * [TO]: Consumed by diagnostic-buffer.ts and reporter.ts before local persistence or network upload
 * [HERE]: extensions/builtin/diagnostics/redaction.ts - privacy-preserving diagnostic normalization
 */
export declare function normalizeDiagnosticMessage(message: string): string;
export declare function sanitizeDiagnosticValue(value: unknown, depth?: number): unknown;