in common/src/main/java/org/jetbrains/teamcity/vault/support/AbstractJackson2HttpMessageConverter.java [232:242]
protected JsonEncoding getJsonEncoding(MediaType contentType) {
if (contentType != null && contentType.getCharset() != null) {
Charset charset = contentType.getCharset();
for (JsonEncoding encoding : JsonEncoding.values()) {
if (charset.name().equals(encoding.getJavaName())) {
return encoding;
}
}
}
return JsonEncoding.UTF8;
}