/**
 * Sensitive-data redaction helpers used by collectors before storing
 * entries. Redaction happens at COLLECTION time, not display time, so
 * sensitive values never reach the storage backend (memory, sqlite,
 * future Postgres, etc.) — they can't leak via export, share-link, or
 * a future MCP integration.
 */
/**
 * Returns a copy of `headers` with values for any header in `hideList`
 * (case-insensitive) replaced with `[REDACTED]`. Header keys are
 * preserved as written by the runtime so the dashboard still shows
 * "Authorization: [REDACTED]" rather than dropping the row entirely.
 */
export declare function redactHeaders(headers: Record<string, unknown> | undefined, hideList: string[]): Record<string, unknown> | undefined;
/**
 * Walks an arbitrary value and returns a copy with any object key in
 * `hideList` (case-insensitive) replaced with `[REDACTED]`. Recurses
 * into objects and arrays. Primitives, null, undefined are returned
 * unchanged. Dates and other built-ins pass through.
 *
 * Used for request bodies — `{ password: "abc", user: { token: "xyz" }}`
 * becomes `{ password: "[REDACTED]", user: { token: "[REDACTED]" }}`.
 */
export declare function redactFields(value: unknown, hideList: string[]): unknown;
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