/**
 * Whether a control may take focus as it mounts — a picker's list opening under the reader's hand does. A surface
 * drawing several at once (a filter band's sheet) says no: each would take it from the last, and the surface
 * would scroll to whichever mounted last.
 */
export declare const MountFocusContext: import("react").Context<boolean>;
export declare function useMountFocus(): boolean;