import type { AgentHistoryEntry } from "./agent-history.js";
export interface LeanCtxTelemetryAgentSource {
    history?: AgentHistoryEntry[];
}
export interface LeanCtxTelemetrySummary {
    agents: number;
    toolCalls: number;
    ctxToolCalls: number;
    rawToolCalls: number;
    tools: Record<string, number>;
    rawTools: Record<string, number>;
    compressionEvents: number;
    originalTokens: number;
    compressedTokens: number;
    savedTokens: number;
    savedPct: number;
    bridgeMentions: number;
    cacheStubHits: number;
    warnings: string[];
}
export declare function summarizeLeanCtxFromAgents(agents: LeanCtxTelemetryAgentSource[]): LeanCtxTelemetrySummary;