import { type AIProviderName } from "../constants/enums.js";
import type { NeurolinkCredentials, OpenAICompatChatRequest } from "../types/index.js";
import { OpenAIChatCompletionsProvider } from "./openaiChatCompletionsBase.js";
/**
 * Azure OpenAI Provider — direct HTTP, no AI SDK.
 *
 * Supports both classic Azure OpenAI Service endpoints
 * ("*.openai.azure.com", "*.cognitiveservices.azure.com") and the newer
 * Azure AI Foundry endpoints ("*.services.ai.azure.com").
 *
 * All request/stream/tool-loop orchestration lives in
 * `OpenAIChatCompletionsProvider`; this class overrides the URL builder and
 * auth headers to accommodate Azure's deployment-based routing and
 * `api-key` header (rather than Bearer tokens).
 *
 * @see https://learn.microsoft.com/azure/cognitive-services/openai/
 */
export declare class AzureOpenAIProvider extends OpenAIChatCompletionsProvider {
    protected readonly azureDeployment: string;
    protected readonly azureApiVersion: string;
    protected readonly azureResourceOrigin: string;
    protected readonly azureDeploymentPathPrefix: string;
    protected readonly useMaxCompletionTokensOverride?: boolean;
    constructor(modelName?: string, sdk?: unknown, _region?: string, credentials?: NeurolinkCredentials["azure"]);
    protected getProviderName(): AIProviderName;
    /**
     * The "default model" for Azure is the deployment name — it's the
     * identifier callers pass to select a deployment.
     */
    protected getDefaultModel(): string;
    protected formatProviderError(error: unknown): Error;
    /**
     * Builds the full Azure deployment chat completions URL.
     *
     * Pattern:
     *   {resourceOrigin}{deploymentPathPrefix}/deployments/{deployment}/chat/completions?api-version={apiVersion}
     *
     * Examples:
     *   Classic:  https://myresource.openai.azure.com/openai/deployments/gpt-4o/chat/completions?api-version=2025-04-01-preview
     *   Foundry:  https://myhost.services.ai.azure.com/openai/deployments/gpt-4o/chat/completions?api-version=2025-04-01-preview
     */
    protected getChatCompletionsURL(modelId: string): string;
    /**
     * Azure uses `api-key` rather than the standard `Authorization: Bearer`
     * header expected by OpenAI-compatible endpoints.
     */
    protected getAuthHeaders(): Record<string, string>;
    /**
     * Newer Azure deployments (o-series, gpt-5+) reject `max_tokens` and require
     * `max_completion_tokens`. The `@ai-sdk/openai` path this migration replaced
     * renamed the field automatically; replicate that here.
     *
     * Capability is taken from the explicit `useMaxCompletionTokens` override
     * (credentials / `AZURE_OPENAI_USE_MAX_COMPLETION_TOKENS`) when set — Azure
     * deployment names are user-defined, so a `chat-prod` gpt-5 deployment can't
     * be detected from the name. When unset, fall back to a best-effort
     * model-name heuristic for the common case where the deployment echoes the
     * model (e.g. `gpt-5.4`).
     */
    protected adjustRequestBody(body: OpenAICompatChatRequest, modelId: string): OpenAICompatChatRequest;
}