import { type Lexer, ListTokenSource } from "antlr4ng";
import type { SyntaxDiagnostic } from "../parse-diagnostics.js";
/**
 * Lex `sql` and return a token source with the DOT_IDENTIFIER rewrite applied, plus positioned
 * diagnostics for string/bytes/identifier literals with invalid escapes (ZetaSQL validates these in
 * the parser as syntax errors). The lexer's error listeners (attached by the caller) fire during the
 * full lex here.
 */
export declare function dotPathTokenSource(sql: string, lexer: Lexer): {
    source: ListTokenSource;
    escapeDiagnostics: SyntaxDiagnostic[];
};