# Functions
NewLoadMap parses a `--*-load` flag (e.g.
StringContainsAll returns true if `s` contains all non empty given `substrings` The function returns `false` if no non-empty arguments are given.
# Structs
MigrationContext has the general, global state of migration.
# Type aliases
LoadMap is a mapping of status variable & threshold e.g.
RowsEstimateMethod is the type of row number estimation.