import type { SwitchSql } from './system-switch.js';
/**
 * The check every kernel-derived DDL runs on a name before interpolating it (#827, #811, #119).
 *
 * SQL identifiers reach the DDL by interpolation — there is no parameter form for a table or
 * column name — so every one is checked first. The inputs are declarations rather than user
 * input, but a declaration is still a string somebody typed, and "it came from the manifest"
 * is exactly the reasoning that makes an injection a surprise.
 */
export declare const SQL_IDENTIFIER: RegExp;
/** `value`, or a throw naming the declaration (`where`) and the role it plays (`kind`). */
export declare function assertSqlIdentifier(area: string, kind: string, value: string, where: string): string;
/** Does the scope hold a table by this name — a vertical's table a declaration names, which a module not yet migrated may lack. */
export declare const tableExists: (db: SwitchSql, table: string) => boolean;
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