interface ProbeElement {
    innerText?: string | null;
    querySelectorAll(selector: string): ArrayLike<ProbeElement>;
    closest?(selector: string): ProbeElement | null;
}
interface ProbeDocument {
    querySelector(selector: string): ProbeElement | null;
    querySelectorAll(selector: string): ArrayLike<ProbeElement>;
}
export declare function isHydrated(doc: ProbeDocument): boolean;
export declare function isAppShellOnly(doc: ProbeDocument): boolean;
export interface DomVerdict {
    hasContent: boolean;
    hasSpaRoot: boolean;
    hasNavChrome: boolean;
    nearEmpty: boolean;
}
export declare function classifyDom(doc: ProbeDocument): DomVerdict;
export declare const HYDRATION_PROBE_SOURCE: string;
export declare const APP_SHELL_ONLY_SOURCE: string;
export declare const DOM_VERDICT_SOURCE: string;
export declare const CONTENT_METRICS_SOURCE: string;
export {};
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