import { type StreamIdleOptions } from "@caupulican/pi-agent-core/reliability";
export declare const DEFAULT_HTTP_IDLE_TIMEOUT_MS = 660000;
export interface HttpBoundedStreamIdlePolicy {
    options: StreamIdleOptions;
    /** Undefined when the HTTP idle timeout is disabled and imposes no adaptive ceiling. */
    adaptiveCeilingMs?: number;
}
export declare const HTTP_IDLE_TIMEOUT_CHOICES: readonly [{
    readonly label: "30 sec";
    readonly timeoutMs: 30000;
}, {
    readonly label: "1 min";
    readonly timeoutMs: 60000;
}, {
    readonly label: "2 min";
    readonly timeoutMs: 120000;
}, {
    readonly label: "5 min";
    readonly timeoutMs: 300000;
}, {
    readonly label: "11 min";
    readonly timeoutMs: 660000;
}, {
    readonly label: "disabled";
    readonly timeoutMs: 0;
}];
export declare function parseHttpIdleTimeoutMs(value: unknown): number | undefined;
export declare function formatHttpIdleTimeoutMs(timeoutMs: number): string;
/**
 * Keep the phase-aware watchdog authoritative over undici's coarser headers/body idle timeout.
 * A nonzero HTTP timeout constrains every watchdog phase and adaptive expansion to a value with
 * a 10% margin (capped at 60s). Disabling the HTTP timeout leaves watchdog policy untouched.
 */
export declare function constrainStreamIdleToHttpTimeout(options: StreamIdleOptions, httpIdleTimeoutMs: number): HttpBoundedStreamIdlePolicy;
export declare function configureHttpDispatcher(timeoutMs?: number): void;
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