import type { BuiltInProviderId } from '../types.js';
export declare const SEARCH_SYSTEM_PROMPT = "You are an assistant for performing a web search tool use";
export declare function getEnvironmentContext(): string;
export interface ResolvedProvider {
    id: BuiltInProviderId;
    baseUrl: string;
    apiKey?: string;
    model?: string;
    headers?: Record<string, string>;
    timeoutMs?: number;
}
export interface SearchParams {
    query: string;
    maxResults?: number;
    topic?: 'general' | 'news';
    timeRange?: 'day' | 'week' | 'month' | 'year';
    includeDomains?: string[];
    excludeDomains?: string[];
}
export interface SearchResult {
    title: string;
    url: string;
    content: string;
    score?: number;
}
export interface SearchResponse {
    provider: string;
    query: string;
    answer?: string | undefined;
    results: SearchResult[];
}
export interface FetchResponse {
    url: string;
    title: string;
    content: string;
}
export interface WebProvider {
    readonly id: BuiltInProviderId;
    search(params: SearchParams, provider: ResolvedProvider): Promise<SearchResponse>;
    fetch(url: string, provider: ResolvedProvider): Promise<FetchResponse>;
}
export declare abstract class BaseProvider implements WebProvider {
    abstract readonly id: BuiltInProviderId;
    search(_params: SearchParams, _provider: ResolvedProvider): Promise<SearchResponse>;
    fetch(_url: string, _provider: ResolvedProvider): Promise<FetchResponse>;
}
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