/**
 * Enrols the user and returns whether they are in the test cohort.
 *
 * Called only from the dropzone's drag-enter and drop callbacks, which fire exclusively for
 * accepted external file interactions, so both cohorts enrol at the same point.
 */
export declare const exposeMediaDropPosition: () => boolean;
/**
 * Returns whether the user is in the test cohort without enrolling them.
 *
 * Used by the render, transaction and decoration paths, which run for every editor user on
 * every transaction and would otherwise enrol people who never drag a file. Enrolment happens
 * in {@link exposeMediaDropPosition}.
 */
export declare const isMediaDropPositionEnabled: () => boolean;