/**
 * Domain-specific AST helpers for the safegres auditor, layered on top of
 * `@pgsql/traverse`'s `walk` / `NodePath`.
 */
import type { PgAstNode } from './parse';
/** Find every node tagged with `tag` (e.g. `FuncCall`, `ColumnRef`). */
export declare function findAll(root: PgAstNode, tag: string): Record<string, unknown>[];
/** Visit every tagged node. `visit(node, tag, parent)` matches the old API. */
export type Visitor = (node: Record<string, unknown>, tag: string, parent: Record<string, unknown> | null) => void;
export declare function visitAll(root: PgAstNode, visit: Visitor): void;
/**
 * Extract the printable name of a `FuncCall.funcname` field.
 *
 * `funcname` is an array of `{ String: { sval: "..." } }` nodes — usually one
 * element (bare name) or two (schema-qualified).
 */
export declare function funcNameParts(funcCall: Record<string, unknown>): {
    schema?: string;
    name: string;
};
/** Get the printable qualified name (`schema.name` or `name`). */
export declare function funcNameQualified(funcCall: Record<string, unknown>): string;
/**
 * Get a ColumnRef's dotted name path. Example: `s.actor_id` → `['s', 'actor_id']`.
 * Returns `['*']` for `SELECT *`.
 */
export declare function columnRefPath(columnRef: Record<string, unknown>): string[];