import { ChatMessage, ChatOptions, ProviderResponse } from "../types/chat";
import { AIProviderMiddleware, AIProviderPlugin, ProviderCapabilities, IAIProvider } from "../types/provider";
import { GenericToolSchema, StandardizedToolCall } from "../types/tool";
export declare abstract class AIProvider implements IAIProvider {
    protected middleware: AIProviderMiddleware[];
    protected plugins: AIProviderPlugin[];
    abstract chat(messages: ChatMessage[], options: ChatOptions): Promise<ProviderResponse>;
    abstract streamChat(messages: ChatMessage[], options: ChatOptions): AsyncIterableIterator<ProviderResponse>;
    abstract convertToolSchema(schema: GenericToolSchema): unknown;
    abstract convertToolCall(call: unknown): StandardizedToolCall;
    abstract getCapabilities(): ProviderCapabilities;
    use(middleware: AIProviderMiddleware): void;
    registerPlugin(plugin: AIProviderPlugin): void;
    protected applyMiddleware(messages: ChatMessage[]): Promise<ChatMessage[]>;
    protected applyMiddlewareToResponse(response: ProviderResponse): Promise<ProviderResponse>;
    protected notifyPluginsBeforeChat(messages: ChatMessage[], options: ChatOptions): Promise<void>;
    protected notifyPluginsAfterChat(response: ProviderResponse): Promise<void>;
    protected notifyPluginsOnError(error: Error): Promise<void>;
    protected notifyPluginsOnStreamStart(): Promise<void>;
    protected notifyPluginsOnStreamChunk(chunk: ProviderResponse): Promise<void>;
    protected notifyPluginsOnStreamEnd(): Promise<void>;
}