import { type RingBufferEntry } from "./ring-buffer.js";
export interface BridgeEventPayload {
    readonly category: "status" | "output" | "question" | "file_changed";
    readonly agentId: string;
    readonly sessionId: string | null;
    readonly status?: string;
    readonly output?: string;
    readonly seq?: number;
    readonly questions?: unknown[];
    readonly actionType?: string;
    readonly actionLabel?: string;
    readonly actionDetail?: string;
    readonly actionInput?: string;
    readonly actionResult?: string;
    readonly actionId?: string;
    readonly parentId?: string;
    readonly inputTokens?: number;
    readonly outputTokens?: number;
    
    readonly cacheHitTokens?: number;
    readonly cacheMissTokens?: number;
    readonly sourceEventType?: string;
    readonly logLevel?: string;
    readonly logCategory?: string;
    readonly workspacePath?: string;
    readonly filePath?: string;
    readonly eventType?: string;
    readonly size?: number;
}

declare class AgentEventStore {
    private readonly agents;
    private ensureBuffer;
    
    append(agentId: string, payload: BridgeEventPayload): RingBufferEntry<BridgeEventPayload>;
    
    appendOrMergeOutput(agentId: string, payload: BridgeEventPayload): RingBufferEntry<BridgeEventPayload>;
    
    size(agentId: string): number;
}

export declare const agentEventStore: AgentEventStore;
export {};