equal method
Implementation
bool equal(SpecialInlineSpanBase other) {
return other.start == start &&
other.deleteAll == deleteAll &&
other.actualText == actualText &&
other.keepVisible == keepVisible;
}
bool equal(SpecialInlineSpanBase other) {
return other.start == start &&
other.deleteAll == deleteAll &&
other.actualText == actualText &&
other.keepVisible == keepVisible;
}