open override fun insert(uri: ERROR CLASS: Symbol not found for Uri, values: ERROR CLASS: Symbol not found for ContentValues??): ERROR CLASS: Symbol not found for Uri??
open override fun query(uri: ERROR CLASS: Symbol not found for Uri, projection: Array<out String>?, selection: String?, selectionArgs: Array<out String>?, sortOrder: String?): ERROR CLASS: Symbol not found for Cursor??
open override fun update(uri: ERROR CLASS: Symbol not found for Uri, values: ERROR CLASS: Symbol not found for ContentValues??, selection: String?, selectionArgs: Array<out String>?): Int