import type { HsonSourceLexicalCollector, HsonSourceRange } from "../hson-source-provenance/hson-source-provenance.js";
import { type OrderedProjectedValue } from "../../core/ordered-projected-value.js";
import type { HsonNode } from "../../core/types.js";
type Slot = Parameters<NonNullable<HsonSourceLexicalCollector["completionSlot"]>>[0];
export type CompletionContext = Readonly<{
    kind: Slot;
    path: readonly (string | number)[];
    range: HsonSourceRange;
    root: HsonNode;
    projected?: OrderedProjectedValue;
    existing: readonly string[];
    attribute?: string;
    childIndex?: number;
    childCount?: number;
    /** Name replacement must not also insert a new member value / element body. */
    replacing: boolean;
    unknownPaths: readonly (readonly (string | number)[])[];
    timings: Readonly<{
        contextMs: number;
        parseMs: number;
        resolveMs: number;
    }>;
}>;
/** One grammar-selected probe, never a candidate search or a tolerant parser. */
export declare function completion_context(source: string, cursor: number, unknownRanges?: readonly HsonSourceRange[]): CompletionContext | undefined;
export {};
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