import type { LlmStreamEvent, ProviderConfig, ProviderMessage, ProviderTool, ProviderToolCall } from "./types.js";
import type { ToolLoopParams } from "./toolLoop.js";
export interface LlmDriverStreamParams {
    messages: ProviderMessage[];
    tools: ProviderTool[];
    signal?: AbortSignal;
}
export interface LlmDriverCompleteParams extends LlmDriverStreamParams {
    messages: ProviderMessage[];
    tools: ProviderTool[];
    signal?: AbortSignal;
}
export interface LlmDriverCompleteResult {
    text: string;
    toolCalls: ProviderToolCall[];
}
/** Pluggable LLM backend for the native tool loop. */
export interface LlmDriver {
    readonly managesToolLoop?: boolean;
    stream(params: LlmDriverStreamParams): AsyncGenerator<LlmStreamEvent, void, unknown>;
    complete(params: LlmDriverCompleteParams): Promise<LlmDriverCompleteResult>;
    streamToolLoop?(params: ToolLoopParams): AsyncGenerator<LlmStreamEvent, void, unknown>;
    runToolLoopNonStreaming?(params: ToolLoopParams): Promise<{
        content: string;
        toolCalls: {
            toolName: string;
            args: Record<string, unknown>;
            result: unknown;
        }[];
    }>;
}
export declare function createLlmDriver(config: ProviderConfig): LlmDriver;
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