export interface VirtualTableSpec {
    name: string;
    module: string;
    args?: string[];
}
export declare function virtualTable(name: string, module: string, args?: string[]): VirtualTableSpec;
export declare function quoteIdent(name: string): string;
export declare function createVirtualTableSql(spec: VirtualTableSpec): string;
export declare function dropVirtualTableSql(name: string): string;
/** A SQL view definition (`CREATE VIEW <name> AS <select>`). Views are
 * session-scoped in the engine (not persisted to the catalog); a view created
 * via a migration lives in the kit's long-lived SQL session. */
export interface ViewSpec {
    name: string;
    /** The `AS <select>` body — the full `SELECT ...` statement the view
     * resolves to. */
    sql: string;
}
export declare function view(name: string, sql: string): ViewSpec;
/** `CREATE VIEW <name> AS <select>`. The engine overwrites any existing view
 * with the same name, so this is also used for `replaceView`. */
export declare function createViewSql(spec: ViewSpec): string;
export declare function dropViewSql(name: string): string;
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