export declare const MAX_OPENAI_STREAM_IDENTIFIER_BYTES = 512;
export declare const MAX_OPENAI_STREAM_TOOL_NAME_BYTES = 256;
export declare const MAX_OPENAI_STREAM_ITEM_TYPE_BYTES = 128;
export declare const MAX_OPENAI_STREAM_CONTENT_PARTS = 4096;
export declare function isBoundedOpenAIStreamString(value: unknown, maxBytes: number): value is string;
//# sourceMappingURL=openai-stream-metadata.d.ts.map