# Functions

FileDigestComparator is a comparator for FileDigest that compares FileSize, FileExtension and FileHash in that order.
NewDigestToFiles creates new DigestToFiles.

# Constants

Different output modes.
Different output modes.
Different output modes.
Different output modes.

# Variables

OutputModes and their brief descriptions.

# Structs

DigestToFiles is a multi-map with FileDigest keys and string values.
FileDigest contains properties of a file that makes the file unique to a very high degree of confidence.
FileExtAndSize is a struct of file extension and file size.
FileMeta is a combination of file size and its modification timestamp.

# Type aliases

FileExtAndSizeToFiles is a multi-map of FileExtAndSize key and string values.
FilePathToMeta is a map of file path to its FileMeta.