/**
 * Redact common secret-bearing substrings from text while preserving surrounding context.
 *
 * @param value - Text that may contain synthetic or real credential patterns.
 * @returns Text with credential values replaced by deterministic placeholders.
 *
 * @example
 * ```typescript
 * redactTextSecrets('OPENAI_API_KEY=sk-test-123')
 * // 'OPENAI_API_KEY=[REDACTED:API_KEY]'
 * ```
 */
export declare function redactTextSecrets(value: string): string;
/**
 * Clone a value and redact configured boundary fields without mutating the caller object.
 *
 * @typeParam T - Value shape to clone and redact.
 * @param value - Object, array, or primitive crossing a persistence/output boundary.
 * @param options - Field names to redact as text plus optional fields to preserve.
 * @returns A redacted clone with the same JSON shape.
 *
 * @example
 * ```typescript
 * const safe = redactBoundaryFields({ result: 'TOKEN=abc', id: 'del-1' }, {
 *   redactFieldNames: ['result'],
 * })
 * // { result: 'TOKEN=[REDACTED:TOKEN]', id: 'del-1' }
 * ```
 */
export declare function redactBoundaryFields<T>(value: T, options: {
    redactFieldNames: readonly string[];
    preserveFieldNames?: readonly string[];
}): T;
//# sourceMappingURL=redaction.d.ts.map