description

# marginBeforeCollapse property Null safety

String marginBeforeCollapse

Gets the value of "margin-before-collapse"

## Implementation

    String get marginBeforeCollapse => getPropertyValue('margin-before-collapse');

void marginBeforeCollapse= (String value)

Sets the value of "margin-before-collapse"

## Implementation

    set marginBeforeCollapse(String value) {
      setProperty('margin-before-collapse', value, '');
    }