export interface MeshJoinedEvent {
    type: 'mesh_joined';
    peerId: string;
    peerName: string;
    capabilities: string[];
    deviceInfo: string;
    timestamp: number;
}
export interface MeshLeftEvent {
    type: 'mesh_left';
    peerId: string;
    reason: string;
    timestamp: number;
}
export interface ChildRunStartedEvent {
    type: 'child_run_started';
    runId: string;
    parentRunId: string;
    scope: string;
    toolSet: string[];
    timestamp: number;
}
export interface ChildRunProgressEvent {
    type: 'child_run_progress';
    runId: string;
    turn: number;
    toolCalls: string[];
    status: 'running' | 'waiting_for_tools' | 'summarizing';
    timestamp: number;
}
export interface ChildRunCompletedEvent {
    type: 'child_run_completed';
    runId: string;
    summary: string;
    toolResults: number;
    turns: number;
    durationMs: number;
    timestamp: number;
}
export interface ChildRunFailedEvent {
    type: 'child_run_failed';
    runId: string;
    error: string;
    category: string;
    timestamp: number;
}
export interface ApprovalRequestedEvent {
    type: 'approval_requested';
    runId: string;
    toolName: string;
    input: Record<string, unknown>;
    risk: 'low' | 'medium' | 'high';
    sideEffectClass: string;
    timestamp: number;
}
export interface CancellationPropagatedEvent {
    type: 'cancellation_propagated';
    runId: string;
    source: string;
    targetRuns: string[];
    timestamp: number;
}
export type MeshEvent = MeshJoinedEvent | MeshLeftEvent | ChildRunStartedEvent | ChildRunProgressEvent | ChildRunCompletedEvent | ChildRunFailedEvent | ApprovalRequestedEvent | CancellationPropagatedEvent;
export interface MeshEventSink {
    emit(event: MeshEvent): void;
}
export declare class MeshEventBus implements MeshEventSink {
    private listeners;
    emit(event: MeshEvent): void;
    on(listener: (event: MeshEvent) => void): () => void;
    clear(): void;
}
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