import { Core } from '@strapi/strapi';
export type NarrationLogLevel = "debug" | "info" | "warn" | "error";
/** Correlate all logs for one admin generate / TTS attempt (grep this id in server logs). */
export declare function createNarrationRequestId(): string;
/**
 * Single-line structured logs for grep and support tickets.
 * Never pass full narration text or API keys here.
 */
export declare function logNarrationEvent(strapi: Core.Strapi, level: NarrationLogLevel, event: string, payload: Record<string, unknown>): void;
/** Response headers useful for ElevenLabs billing / support (no secrets). */
export declare function pickUpstreamHeadersForLog(headers: Headers): Record<string, string>;
/**
 * Field names whose key shape suggests a credential. These are masked in logs
 * even though the plugin never logs values themselves — defense in depth in
 * case a downstream log pipeline later starts ingesting the key list.
 *
 * Pattern set is intentionally additive: extend by appending here, never by
 * inlining a regex at call sites.
 */
export declare const SECRET_KEY_PATTERNS: readonly RegExp[];
export declare const REDACTED_KEY_LABEL: "[redacted]";
export declare function isSecretLikeKey(key: string): boolean;
export type SummarizedValueKeys = {
    valueFieldCount: number;
    valueFieldKeys: string[];
    redactedKeyCount: number;
};
/**
 * Summarize entry-form values for telemetry.
 *
 * Returns the count + a capped list of field key names. Keys that match
 * {@link SECRET_KEY_PATTERNS} are replaced with {@link REDACTED_KEY_LABEL}
 * so that copy-pasted log lines never reveal credential-shaped attribute
 * names from the host content type.
 */
export declare function summarizeValuesKeys(values: Record<string, unknown> | null | undefined): SummarizedValueKeys;