import type { AgentChatEvent } from "../agent/types.js";
export interface FusionAgentFeedSummary {
    text?: string;
    changedFiles: string[];
    creditsUsed?: number;
    error?: string;
}
/**
 * Fusion tool results carry the call's id but often not its name. Remember
 * what each started call was named, so a result completes that call (named)
 * instead of being folded in as a second, unnamed "tool" step.
 */
export interface FusionToolCallMemory {
    names: Map<string, string>;
    open: string[];
}
export declare function createFusionToolCallMemory(): FusionToolCallMemory;
/** Fusion step → the AN chat events the activity folder understands. */
export declare function fusionStepToAgentChatEvents(step: Record<string, unknown>, memory?: FusionToolCallMemory): AgentChatEvent[];
export declare function createFusionAgentFeed(args: {
    send?: (event: AgentChatEvent) => void;
    agent: string;
    agentCallId: string;
}): {
    summary: FusionAgentFeedSummary;
    onEvent(step: Record<string, unknown>): void;
    finish(result: {
        sent: boolean;
        response?: string;
        error?: string;
    }): FusionAgentFeedSummary;
};