/**
 * path.ts
 *
 * The ast "path" is a data structure to hold both an sql tag, as well as a "stack" of all of its parents,
 * so we can quickly understand where a tag comes from.
 */
import { Tag, SqlTag } from '../grammar.types';
import { PathItem, Path } from '../load.types';
/**
 * Find the closest parent {@link Tag} (using predicate)
 */
export declare const closestParent: <T extends Tag>(predicate: (tag: SqlTag) => tag is T) => (path: Path) => T | undefined;
/**
 * Find the closest parent {@link Path} (using predicate)
 */
export declare const closestParentPath: <T extends Tag>(predicate: (tag: SqlTag) => tag is T) => (path: Path) => PathItem<T> | undefined;
/**
 * Search for the deepest tag within a tree at a given position
 */
export declare const toPath: (tag: Tag, offset: number, path?: Path) => Path | undefined;