question: get the block concode_field_sep String[] storageIDs concode_elem_sep String[] datanodeUuids concode_elem_sep BlockWithLocations[] blocks concode_elem_sep Block block concode_elem_sep StorageType[] storageTypes concode_field_sep StringBuilder appendString concode_elem_sep String[] getStorageIDs concode_elem_sep String toString concode_elem_sep BlockWithLocations[] getBlocks concode_elem_sep String[] getDatanodeUuids concode_elem_sep StorageType[] getStorageTypes
target: Block function ( ) { return block ; }