/**
 * Shared internal types for the Anthropic-compatible proxy route.
 */
/** A deterministic upstream validation failure that must reach the caller. */
export type AnthropicInvalidRequestFailure = {
    status: number;
    body: string;
    contentType?: string;
};
/** A credential failure deferred until peer and provider fallbacks are tried. */
export type DeferredClaudeAccountFailure = {
    status: number;
    message: string;
    errorType: string;
    responseHeaders?: Record<string, string>;
};