/**
 * SdkProviderAdapter — AIProvider-shaped runtime handle over AI SDK transport (ADR 0018).
 */
import type { AIProvider, ChatCompletionChunk, ChatCompletionRequest, ChatCompletionResponse, ProviderConfig } from './types.js';
import type { ProviderInstanceConfig } from './llm/types/model.js';
import type { SdkId } from './llm/sdk-registry.js';
import type { ImageGenerateRequest, ImageGenerateResult } from './image-generation.js';
/** Google Gemini API: GET /v1beta/models (x-goog-api-key) */
export declare function fetchGoogleModels(config: ProviderInstanceConfig): Promise<string[]>;
export declare class SdkProviderAdapter implements AIProvider {
    readonly sdk: SdkId;
    readonly config: ProviderInstanceConfig;
    name: string;
    models: string[];
    contextWindow?: number;
    imageGenerationDefaults: ProviderInstanceConfig['imageGeneration'];
    constructor(alias: string, sdk: SdkId, config: ProviderInstanceConfig, initialModels?: string[]);
    private ensureLanguageModel;
    chat(request: ChatCompletionRequest): Promise<ChatCompletionResponse>;
    chatStream(_request: ChatCompletionRequest): AsyncIterable<ChatCompletionChunk>;
    listModels(): Promise<string[]>;
    generateImage(request: ImageGenerateRequest): Promise<ImageGenerateResult>;
}
export declare function createSdkProviderAdapter(alias: string, config: ProviderInstanceConfig): SdkProviderAdapter | null;
export declare function sdkEntryFromProvider(provider: AIProvider): import('./llm/register-api-layer.js').SdkProviderEntry;
/** @deprecated transitional export */
export type { ProviderConfig };
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