returns the optional size in bytes , possibly long.min _ value if undefined . concode_field_sep int sequenceNumber concode_elem_sep String file concode_elem_sep long size concode_elem_sep AtomicInteger SEQUENCE concode_elem_sep StepType type concode_field_sep StepType getType concode_elem_sep int hashCode concode_elem_sep boolean equals concode_elem_sep int compareTo concode_elem_sep String getFile
long function ( ) { return size ; }