toJson method
Implementation
Map<String, Object?> toJson() => {
'name': name,
'columns': columns,
if (tableName != null) 'tableName': tableName,
'referencedTable': referencedTable,
'referencedColumns': referencedColumns,
if (schema != null) 'schema': schema,
if (referencedSchema != null) 'referencedSchema': referencedSchema,
if (onUpdate != null) 'onUpdate': onUpdate,
if (onDelete != null) 'onDelete': onDelete,
};