import type { BlockControlUIContext } from '@atlaskit/editor-common/block-controls/block-control-ui-context';
/**
 * Resolves to `T` only when `Compared` lists every key of `T`. Adding a field to the context types
 * turns the comparators' parameters into `never`, so callers stop compiling until the comparison
 * handles the new field.
 */
type ComparedFields<T, Compared extends keyof T> = Exclude<keyof T, Compared> extends never ? T : never;
/**
 * `controlVisibility` is derived from component predicates after the context is created, never by
 * `createBlockControlsSurfaceContextForPosition`, so it is not compared.
 */
type ComparedContext = ComparedFields<Omit<BlockControlUIContext, 'controlVisibility'>, 'activeControlKey' | 'activeNode' | 'rootNode' | 'targetNode'>;
/**
 * Compares contexts produced by `createBlockControlsSurfaceContextForPosition`. Includes root and
 * active-node context because controls can depend on more than the target itself, for example a
 * changed containing block or a different active control.
 */
export declare const areBlockControlsSurfaceContextsEqual: (a: ComparedContext, b: ComparedContext) => boolean;
export {};