export declare function boundedTranscript(value: unknown): string | "oversized" | undefined;
export declare function transcriptItemText(value: unknown): unknown;
export declare function boundedAssistantTranscript(value: unknown): string | undefined;
export declare function remoteError(event: Record<string, unknown>): string;
export declare function utf8Chunks(input: string, maxBytes: number): string[];
export declare function realtimePeerStateFailure(state: string): string | undefined;