@mastra/core/dist/llm/model/server-side-fallback.d.ts

/**
 * Anthropic server-side fallback detection.
 *
 * When a fallback chain is configured via `providerOptions.anthropic.fallbacks`
 * and the primary model's safety classifiers decline a turn, the Anthropic API
 * transparently retries the turn on the fallback model and returns that
 * model's answer. The substitution is reported via `fallback_message` entries
 * in `providerMetadata.anthropic.iterations`, each carrying the model that
 * served the retry.
 */
export interface ServerSideFallbackInfo {
    /** Id of the fallback model that served the turn, when reported. */
    model?: string;
}
/**
 * Detect whether a turn was served by an Anthropic server-side fallback model.
 * Returns `undefined` when no fallback fired; otherwise returns the fallback
 * model id when the provider reported one.
 */
export declare function getServerSideFallbackInfo(providerMetadata: unknown): ServerSideFallbackInfo | undefined;
/**
 * Resolve the model id that actually generated a response, accounting for
 * Anthropic server-side fallbacks. Prefers the fallback model reported in
 * provider metadata over the response's own model id, so tracing/metrics
 * attribute the turn to the model that actually served it.
 */
export declare function resolveResponseModelId(providerMetadata: unknown, responseModelId: string | undefined): string | undefined;
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