Time unit of the lag.
Numeric amount (positive = lag, negative = lead).
Serialize to a plain object.
Format as a display string (e.g. '+2d', '-1h').
StaticfromStaticparseStatictryParse a lag string (e.g. '+2d', '-1h'). Returns null if invalid.
StaticzeroCreate a zero lag (0 days).
Time offset (positive or negative) applied to a dependency link.