export declare const CAPABILITY_FOCUS_TARGET_SELECTOR = "[data-capability-focus-target]";
/**
 * Find the visible, focusable control for a capability after its catalog row
 * moves between Browse and Enabled. The data attribute is deliberately kept
 * on the actual control rather than a presentational card wrapper.
 */
export declare function findCapabilityFocusTarget(capabilityId: string | null): HTMLElement | null;
/**
 * Guard focus restoration against a matching control that is hidden, removed,
 * disabled, or otherwise excluded from the accessibility tree.
 */
export declare function isUsableFocusTarget(target: HTMLElement | null): target is HTMLElement;
/**
 * Focus the newly rendered capability control, or an explicit visible route
 * region when the control is not available (for example, a filtered result).
 */
export declare function focusCapabilitySuccessor(capabilityId: string | null, fallback: HTMLElement | null): boolean;