import type { CelNode } from "@telorun/analyzer";
/** One identifier of a dotted CEL chain, with the span a cursor hit-tests
 *  against and a rename replaces. */
export interface ChainPart {
    name: string;
    range: [number, number];
}
/**
 * Flatten `a.b.c` into its identifiers. Returns undefined as soon as the chain
 * is rooted in something other than a plain identifier (a call, an index), so a
 * navigable — or renameable — prefix is never invented out of a computed
 * expression.
 */
export declare function flattenChain(node: CelNode): ChainPart[] | undefined;
/**
 * A node's children.
 *
 * Exhaustive by construction: a new `CelNode` variant fails the build here
 * rather than silently going unwalked, so the analyzer's node model and the
 * walks over it cannot drift apart unnoticed. That matters twice over — for
 * go-to-definition an unwalked variant is a missed jump, for a rename it is a
 * reference left pointing at the old name.
 */
export declare function celChildren(node: CelNode): CelNode[];
/** Every node of the tree, outermost first. */
export declare function walkCel(node: CelNode, visit: (node: CelNode) => void): void;
/**
 * The dotted chain under `offset`, and which of its identifiers was hit. The
 * walk is outermost-first so the longest chain wins — `resources.store.conn`
 * resolves as one chain rather than as its `resources.store` prefix.
 */
export declare function chainAt(node: CelNode, offset: number): {
    parts: ChainPart[];
    index: number;
} | undefined;
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