import type { ExtensionContext } from "@earendil-works/pi-coding-agent";
import type { FabricConfig } from "../config.js";
import { type CompactionOwner } from "./owner.js";
export type CompactionPressureBand = "ok" | "warn" | "urgent" | "unknown";
export interface CompactionPressure {
    tokens: number | null;
    contextWindow: number | null;
    fraction: number | null;
    headroomTokens: number | null;
    band: CompactionPressureBand;
    outputReserveTokens: number;
    thresholdFraction?: number;
    thresholdTokens?: number;
    owner: CompactionOwner;
}
type PressureConfig = Pick<FabricConfig["compaction"], "pressureBands" | "outputReserveTokens" | "thresholds" | "tokenThresholds">;
export declare const compactionPressure: (context: Pick<ExtensionContext, "getContextUsage" | "model" | "sessionManager"> | undefined, config: PressureConfig) => CompactionPressure;
export {};
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