import type { PostHog } from '../posthog-rn';
/**
 * Log an error if the PostHog client is not available. Warns once per unique caller to avoid console spam.
 * @internal
 */
export declare function warnIfNoClient(client: PostHog | undefined, caller: string): void;
/** @internal Exported for testing only. */
export declare function resetWarnedCallers(): void;
/**
 * Returns the first available PostHog client from arguments or context, correctly typed. Logs an error if no
 * client is found. This is used internally by hooks that accept an optional client parameter.
 * @internal
 */
export declare const useOverridablePostHog: (client: PostHog | undefined, caller: string) => PostHog | undefined;