static @NotNull String sanitizePlaceholderName(final @NotNull String name) {
      return name.toLowerCase(Locale.ROOT);
    }
Sanitize placeholder names.

<p>This makes all placeholder names lower-case.</p>

@param name the raw name
@return a sanitized name
@since 4.10.0
text-minimessage/src/main/java/net/kyori/adventure/text/minimessage/internal/parser/TokenParser.java