alignContent property
The alignment of the flex container's lines when wrapping is enabled.
Controls how multiple lines are distributed along the cross axis when there is extra space. Only applies when wrap is not FlexWrap.none.
Common values: BoxAlignmentContent.start, BoxAlignmentContent.center, BoxAlignmentContent.end, BoxAlignmentContent.spaceBetween.
Defaults to BoxAlignmentContent.start.
Implementation
final BoxAlignmentContent alignContent;