1. A method for providing content index information for a data item comprising: generating a schema file that includes a data item type definition for a data item type and content index definitions for the data item type defined in said schema file, wherein the content index definitions are defined using a type-definition language to declare a content index on properties of the data item type defined in said schema file; generating query language statements for content index data extraction based on the content index definitions declared in the schema file; and storing the generated query language statements in a file system store.