import { type PressureAssessment, type PressureHysteresisState } from "../diagnostics/contract.js";
import { type SupervisorCapability, type SupervisorPressureRecord } from "../supervisor/contract.js";
import { type ResourceDiskSample, type ResourceHostSample, type ResourceIoSample, type ResourceMachineSample, type ResourceOomSample, type ResourcePressureSample, type ResourceProcessSample, type ResourceSnapshot } from "./contract.js";
export declare const RESOURCE_STATUS_STALE_MS = 15000;
export declare const RESOURCE_STATUS_MAX_BYTES: number;
export declare const RESOURCE_STATUS_PROCESS_LIMIT = 20;
export declare const RESOURCE_HOST_STATUS_STALE_MS = 30000;
export interface ResourceStatus {
    schema_version: 2;
    state: "fresh" | "stale" | "unavailable";
    reason: string | null;
    sampled_at: string | null;
    sample_age_ms: number | null;
    stale_after_ms: number;
    platform: NodeJS.Platform | null;
    namespace: ResourceSnapshot["namespace"];
    support: ResourceSnapshot["support"] | null;
    writer: {
        running: boolean;
        stale: boolean;
    };
    /**
     * The one published pressure assessment, read from the observer's record so
     * this surface, the prompt notice, the dashboard, and a diagnostic bundle all
     * report the same answer for the same input.
     */
    assessment: PressureAssessment;
    /** The state the sample before the published one carried forward. */
    prior_hysteresis: PressureHysteresisState | null;
    /** Where the assessment came from, and why it is missing when it is. */
    assessment_capability: SupervisorCapability;
    machine: ResourceMachineSample | null;
    disks: ResourceDiskSample[];
    pressure: ResourcePressureSample | null;
    oom: ResourceOomSample | null;
    io: ResourceIoSample | null;
    host: ResourceHostSample | null;
    processes?: Array<Pick<ResourceProcessSample, "pid" | "name" | "cpu_percent" | "rss_bytes" | "owner_kind" | "owner_id">>;
    processes_omitted?: number;
}
/** A bounded cache-only read. Never samples the OS or starts the writer. */
export declare function readResourceStatus(coordRoot: string, options?: {
    nowMs?: number;
    includeProcesses?: boolean;
}): ResourceStatus;
export declare function formatResourceSummary(status: ResourceStatus): string;
export declare function formatResourceStatus(status: ResourceStatus, bin: string): string;
export declare const PRESSURE_RECORD_MAX_BYTES: number;
export interface PublishedPressure {
    assessment: PressureAssessment;
    prior_hysteresis: PressureHysteresisState | null;
    capability: SupervisorCapability;
    record: SupervisorPressureRecord | null;
}
/**
 * Read the assessment the observer published. Bounded, cache only, and never a
 * computation: a missing, stale, or malformed record yields `unknown` with the
 * reason stated, because a gap in the evidence is not a measurement of health.
 */
export declare function readPublishedPressure(coordRoot: string, nowMs?: number, writer?: ResourceStatus["writer"]): PublishedPressure;
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