export interface SSRAdapterDeadlineRuntime {
    now(): number;
    setTimer(callback: () => void, delayMs: number): ReturnType<typeof setTimeout>;
    clearTimer(handle: ReturnType<typeof setTimeout>): void;
}
export declare function getSSRAdapterTimeoutMs(): number;
export declare function setSSRAdapterTimeoutForTests(timeoutMs: number): void;
export declare function getSSRAdapterDeadlineRuntime(): SSRAdapterDeadlineRuntime;
export declare function setSSRAdapterDeadlineRuntimeForTests(runtime: SSRAdapterDeadlineRuntime): void;
export declare function resetSSRAdapterTimeoutForTests(): void;
export declare function getSSRBufferLimitBytes(override: number | undefined): number;
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