import { type HqEventEnvelope, type HqRedactionPolicy } from './protocol.js';
export interface HqRedactOptions {
    policy?: Partial<HqRedactionPolicy>;
    projectRoot?: string;
    maxSummaryLength?: number;
}
export interface HqRedactionResult<T> {
    value: T;
    redacted: boolean;
}
export declare function resolveHqRedactionPolicy(policy?: Partial<HqRedactionPolicy>): HqRedactionPolicy;
/**
 * Apply an operator policy as a one-way privacy clamp. An override can make a
 * publisher policy stricter, but can never enable raw content or broader path
 * / tool-argument disclosure than the publisher selected.
 */
export declare function tightenHqRedactionPolicy(publisherPolicy: HqRedactionPolicy, operatorPolicy?: Partial<HqRedactionPolicy>): HqRedactionPolicy;
/**
 * Scrub a free-text preview field and truncate it to a maximum length so
 * it is safe to embed in HQ event envelopes and broadcast to browsers
 * without leaking secrets or running away on unbounded input.
 *
 * Returns `undefined` when the input is empty or non-string. Truncation
 * suffix is `"…[truncated:N]"` where N is the number of dropped chars.
 */
export declare function scrubAndTruncateHqPreview(value: unknown, maxLength?: number): string | undefined;
export declare function redactHqValue<T>(value: T, options?: HqRedactOptions): HqRedactionResult<T>;
export declare function redactHqEvent<TPayload>(event: HqEventEnvelope<TPayload>, options?: HqRedactOptions): HqRedactionResult<HqEventEnvelope<TPayload>>;
export declare function summarizeHqToolArgs(value: unknown, options?: HqRedactOptions): unknown;
//# sourceMappingURL=redaction.d.ts.map