import { type ObservationProfile } from '@variance-authority/core/format';
/**
 * Decide the profile from what the host can actually do.
 *
 * JSDOM reports zeros from `getBoundingClientRect` because it has no layout
 * engine. Probing for that is more honest than sniffing for a JSDOM global: the
 * question the profile answers is "can this host observe geometry", and the way
 * to know is to ask it.
 *
 * Its own module rather than `collect`'s because two callers need it and the
 * other one is `stabilize`, which `collect`'s stylesheet index in turn depends
 * on. One function in the wrong file is all it takes to make three modules a
 * ring instead of a line.
 */
export declare function detectProfile(view: Window | null): ObservationProfile;
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