/** Minimum length a value must have before it is worth redacting. */
export declare const MIN_REDACTABLE_LENGTH = 4;
export declare const REDACTION_PLACEHOLDER = "[REDACTED_SECRET]";
/**
 * Replace every occurrence of each secret value in `text` with a placeholder.
 * Short values (< MIN_REDACTABLE_LENGTH) are ignored to avoid mangling output
 * with overly broad substitutions. Longest values are replaced first so that a
 * secret which is a substring of another is not partially exposed.
 */
export declare function redactSecrets(text: string, values: Iterable<string | undefined>): string;
/**
 * Collect the concrete secret values that should be redacted, given the set of
 * granted secret keys and an environment map that may hold their values.
 * Only keys present in `secretKeys` contribute, so non-secret env is never
 * treated as redactable material.
 */
export declare function collectRedactionValues(secretKeys: Iterable<string>, env: Record<string, string | undefined> | undefined): string[];
//# sourceMappingURL=redaction.d.ts.map