import { ChatMessage, ChatOptions, ProviderResponse } from '../../types/chat';
import { ProviderCapabilities, IAIProvider, AIProviderMiddleware, AIProviderPlugin } from '../../types/provider';
import { Tool, GenericToolSchema, StandardizedToolCall } from '../../types/tool';
import { ILogger } from '../../types/common';
export declare abstract class BaseProvider implements IAIProvider {
    protected logger: ILogger;
    protected middleware: AIProviderMiddleware[];
    protected plugins: AIProviderPlugin[];
    constructor(logger: ILogger);
    abstract chat(messages: ChatMessage[], options: ChatOptions, tools?: Tool[]): Promise<ProviderResponse>;
    abstract streamChat(messages: ChatMessage[], options: ChatOptions, tools?: Tool[]): AsyncIterableIterator<ProviderResponse>;
    abstract getCapabilities(): ProviderCapabilities;
    abstract convertToolSchema(schema: GenericToolSchema): any;
    abstract convertToolCall(call: any): StandardizedToolCall;
    use(middleware: AIProviderMiddleware): void;
    registerPlugin(plugin: AIProviderPlugin): void;
    protected applyMiddleware(messages: ChatMessage[]): Promise<ChatMessage[]>;
    protected applyMiddlewareToResponse(response: ProviderResponse): Promise<ProviderResponse>;
    protected applyMiddlewareToToolCalls(toolCalls: StandardizedToolCall[]): Promise<StandardizedToolCall[]>;
}