import { type ElementNode, type NabiDoc } from '../schema/index.js';
import { type EditEnv, type Position } from '../doc/index.js';
import type { Registry, Wing } from '../wing/index.js';
export interface ReachAt {
    readonly holder: ElementNode | null;
    readonly inline: boolean;
    readonly holderWing: Wing | null;
    readonly holderIsOwnNode: boolean;
    readonly blockParent: ElementNode | null;
    readonly blockParentWing: Wing | null;
    readonly top: ElementNode | null;
    readonly topIsWrapper: boolean;
    readonly topTakesAlign: boolean;
}
export declare function reachAt(doc: NabiDoc, pos: Position, registry: Registry, env: EditEnv): ReachAt;
export declare function admits(reach: ReachAt, childW: string): boolean;
export declare function visibleAt(reach: ReachAt, wing: Wing): boolean;
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