import type { AgentMessage } from "@mariozechner/pi-agent-core";
import type { ImageContent } from "@mariozechner/pi-ai";
import type { PluginHookAgentContext, PluginHookBeforeAgentStartResult, PluginHookBeforePromptBuildResult } from "../../../plugins/types.js";
import type { EmbeddedRunAttemptParams, EmbeddedRunAttemptResult } from "./types.js";
type PromptBuildHookRunner = {
    hasHooks: (hookName: "before_prompt_build" | "before_agent_start") => boolean;
    runBeforePromptBuild: (event: {
        prompt: string;
        messages: unknown[];
    }, ctx: PluginHookAgentContext) => Promise<PluginHookBeforePromptBuildResult | undefined>;
    runBeforeAgentStart: (event: {
        prompt: string;
        messages: unknown[];
    }, ctx: PluginHookAgentContext) => Promise<PluginHookBeforeAgentStartResult | undefined>;
};
export declare function injectHistoryImagesIntoMessages(messages: AgentMessage[], historyImagesByIndex: Map<number, ImageContent[]>): boolean;
export declare function resolvePromptBuildHookResult(params: {
    prompt: string;
    messages: unknown[];
    hookCtx: PluginHookAgentContext;
    hookRunner?: PromptBuildHookRunner | null;
    legacyBeforeAgentStartResult?: PluginHookBeforeAgentStartResult;
}): Promise<PluginHookBeforePromptBuildResult>;
export declare function runEmbeddedAttempt(params: EmbeddedRunAttemptParams): Promise<EmbeddedRunAttemptResult>;
export {};