mojang cant get their cases straight

i had to implement like 4 cases just  to parse that file

util/case.go

@@ -0,0 +1,43 @@
+package util
+
+import (
+	"slices"
+	"unicode"
+)
+
+var boundaries = []rune{' ', '_', '-', '.', ',', ';', ':', '(', ')', '[', ']', '{', '}'}
+
+func CamelCase(s string) string {
+	ret := ""
+	atWordBoundary := true
+	for _, c := range s {
+		if slices.Contains(boundaries, c) {
+			atWordBoundary = true
+			continue
+		}
+		if atWordBoundary && unicode.IsLower(c) {
+			c = unicode.ToUpper(c)
+		}
+		atWordBoundary = false
+		ret += string(c)
+	}
+	return ret
+}
+
+func SnakeCase(s string) string {
+	ret := ""
+	for i, c := range s {
+		if unicode.IsUpper(c) {
+			if i > 0 {
+				ret += "_"
+			}
+			c = unicode.ToLower(c)
+		}
+		ret += string(c)
+	}
+	return ret
+}
+
+func FirstLetterLower(s string) string {
+	return string(unicode.ToLower(rune(s[0]))) + s[1:]
+}