| AbortController |
Controller for an AbortSignal. |
| AbortSignal |
Abort signal that records the first reason. |
| AiSdkError |
Base error for upstream AI SDK error types. Marker checks work without a shared assembly. |
| ApiCallError |
A failed provider HTTP call, including retry metadata and response headers. |
| AssetDownloadCall |
Arguments passed to a single asset download. |
| AsyncIterableStream<T> |
A readable stream that can also be enumerated with await foreach. |
| AsyncIterableStreams |
Wraps readable streams so they can be consumed with async iteration. |
| Callbacks |
Invokes callbacks and ignores individual failures. |
| CanonicalHash |
Canonical JSON and its SHA-256 base64url digest. |
| Collections |
Array and property helpers from the AI SDK util package. |
| CompatibilityWarning |
A feature running in compatibility mode. |
| DataObject |
Object with an explicit constructor token and own properties. Used where JavaScript distinguishes prototypes and inherited names. |
| DataUrl |
Reads text from text/ data URLs. |
| DecisionRefusalError |
A decision model refused one or more questions. |
| DecisionUnsupportedQuestionTypeError |
A decision model does not support the type of a requested question. |
| DeepEqual |
Deep equality for JSON-like data, including dates and prototype identity. |
| DefaultDownloadFunction |
Default download function: downloads URLs the model cannot fetch itself. |
| DeprecatedWarning |
A deprecated setting. |
| Deprecations |
Stable codes for deprecation warnings. |
| Download |
Downloads a URL with SSRF checks on every redirect hop. |
| DownloadError |
Failure while downloading a URL. |
| DownloadRequest |
Options passed to a download fetch implementation. |
| DownloadRequestItem |
One URL passed to DefaultDownloadFunction. |
| DownloadResponse |
One HTTP response seen by Download. |
| DownloadResult |
Bytes and media type returned by Download.GetAsync. |
| ErrorMarkerBag |
Plain marker bag used to recognize an error shape copied across packages. |
| EvaluationUnsupportedQuestionTypeError |
Deprecated alias of DecisionUnsupportedQuestionTypeError. It carries the decision error marker. |
| FixJson |
Repairs truncated JSON by scanning once and closing open strings, literals, arrays, and objects. |
| HeaderCollection |
Case-insensitive header list that preserves repeated values such as Set-Cookie. |
| IdMap<T> |
String-keyed map with no inherited members. Missing keys, including proto, return the default value. |
| InvalidArgumentError |
An argument failed validation. Message format matches the TypeScript SDK. |
| InvalidToolInputError |
The input of a tool call does not match the tool’s input schema. Maps to InvalidToolInputError. |
| JsUndefined |
Sentinel for a JavaScript undefined value. Distinct from null. |
| LanguageModelCallOptionsInput |
Model call options validated by LanguageModelCallPreparation. |
| LanguageModelCallPreparation |
Validates language-model call options. PrepareCallSettings(LanguageModelCallOptionsInput) is the deprecated alias. |
| LogWarnings |
Logs provider warnings. Set Logger to false to suppress them, or to a delegate to replace the default emitter. |
| LogWarningsOptions |
Arguments passed to Log(LogWarningsOptions). |
| MergeAbortSignals |
Combines abort signals and timeout durations. |
| ModelWarning |
A warning returned by a model provider. |
| NoSuchModelError |
A provider has no model with the requested id. Maps to NoSuchModelError. |
| NoSuchProviderError |
A registry has no provider with the requested id. Maps to NoSuchProviderError. |
| NoSuchToolError |
The model called a tool that is not available. Maps to NoSuchToolError. |
| ObjectMerge |
Deep-merges JSON objects. Arrays, dates, and regular expressions are replaced. |
| OtherWarning |
A provider warning that is not one of the structured kinds. |
| PartialJson |
Parses complete JSON, or JSON repaired by FixJson. |
| PartialJsonResult |
Outcome of Parse(string). |
| PrepareHeaders |
Fills default headers without replacing headers the caller already set. |
| PrepareRetries |
Validates maxRetries and builds the default retry strategy. |
| PrepareRetries.Result |
Result of Int32). |
| ReadableStream<T> |
Pull-based readable stream. Supports enqueue, close, error, backpressure via pull, and a single reader. |
| ReadableStreamController<T> |
Enqueues chunks into a ReadableStream%601. |
| ReadableStreamReader<T> |
Default reader for a ReadableStream%601. |
| RetryError |
Retries were exhausted or stopped. |
| RetryOptions |
Options for RetryWithExponentialBackoffRespectingRetryHeaders. |
| RetryWithExponentialBackoffRespectingRetryHeaders |
Retries a failed operation with exponential backoff, honoring retry-after-ms and retry-after when the delay is between 0 and 60 seconds, or shorter than the backoff delay. |
| SerialJobExecutor |
Runs async jobs one at a time, in submission order. |
| ServerResponse |
Byte sink with status, headers, and optional write backpressure. Mirrors the subset of Node ServerResponse used by the text-stream helpers. |
| ServerResponseWriter |
Writes a byte stream to a ServerResponse. |
| SetAbortTimeout |
Schedules an abort when a timeout elapses. |
| SimulateReadableStream |
Emits scripted chunks, optionally delaying each pull. |
| StitchableStream<T> |
A stream that reads inner streams one at a time. |
| StreamIterator<T> |
Async iterator over a ReadableStream%601. |
| StreamProviderError |
Error reported by a provider after a model response stream has started. |
| TextStreamPart |
One part of a model text stream. |
| TextStreamResponse |
HTTP response whose body is a UTF-8 text stream. |
| TextStreams |
Text-stream helpers: keep text deltas, build a response, and write it to a server response. |
| TimeoutError |
DOM TimeoutError analog used as an abort reason. |
| ToolCallRepairError |
The repair of a tool call failed. Maps to ToolCallRepairError. |
| ToolInputSchemaValidator |
Validates a tool call input against the JSON Schema of a tool. Covers the keywords tool schemas use: type, enum, const, properties, required, additionalProperties, items, minItems, maxItems, minLength, maxLength, minimum, maximum, anyOf, oneOf and allOf. Other keywords are ignored. |
| UndefinedStreamError |
Rejection whose reason is JavaScript undefined. |
| UnsupportedWarning |
A feature the provider does not support. |
