import type { AgentTelemetry, AgentTelemetryEvent, AgentTelemetryOperation, AgentTelemetryOutcome } from './telemetry';
/**
 * Process-wide operation/state accounting layered over the deliberately small
 * OTLP emitter. Callers still cannot attach arbitrary attributes or payloads.
 */
export declare class AgentTelemetryRuntime {
    private readonly telemetry;
    private readonly now;
    private active;
    private completed;
    private failed;
    private draining;
    constructor(telemetry: AgentTelemetry, now?: () => number);
    event(event: AgentTelemetryEvent): void;
    setDraining(draining: boolean): void;
    observe<T>(operation: AgentTelemetryOperation, work: () => Promise<T>, outcome?: (value: T) => AgentTelemetryOutcome, errorOutcome?: (cause: unknown) => AgentTelemetryOutcome): Promise<T>;
    close(): Promise<void>;
    private recordState;
}
export type AgentOperationTelemetry = Pick<AgentTelemetryRuntime, 'observe'>;