in src/objc-renderer.ts [1093:1104]
function toInlinableFuncModifierString(
modifiers: ObjC.KeywordArgumentModifier[] | undefined,
): string {
const modifierStrings = (modifiers || []).map(function (modifier) {
const modifierString = toKeywordArgumentModifierString(modifier);
return modifierString.indexOf('__') == 0
? modifierString
: '__' + modifierString;
});
return modifierStrings.length > 0 ? modifierStrings.join(' ') + ' ' : '';
}