declare const _default: import("spacetimedb").RowBuilder<{
    id: import("spacetimedb").U64ColumnBuilder<{
        isPrimaryKey: true;
    }>;
    name: import("spacetimedb").StringBuilder;
    topic: import("spacetimedb").StringBuilder;
    createdBy: import("spacetimedb").OptionColumnBuilder<import("spacetimedb").IdentityBuilder, {
        name: "created_by";
    }>;
    createdAt: import("spacetimedb").TimestampColumnBuilder<{
        name: "created_at";
    }>;
}>;
export default _default;