/**
 * Largest delay that JavaScript timers honor consistently across the
 * supported runtimes. Larger values are commonly clamped to a few
 * milliseconds, which turns a long deadline into an immediate timeout.
 */
export declare const MAX_PORTABLE_TIMER_MS = 2147483647;
export declare function assertNonNegativeSafeInteger(name: string, value: number): void;
export declare function assertPositiveSafeInteger(name: string, value: number): void;
export declare function assertPortableTimer(name: string, value: number): void;
export declare function assertPositivePortableTimer(name: string, value: number): void;
/** Validate the runtime shape shared by every provider before queue creation. */
export declare function assertProviderConfig(providerName: string, config: unknown): void;