in pojo/src/main/java/com/spotify/hamcrest/pojo/IsPojo.java [248:260]
private static void ensureDirectMethodReference(final SerializedLambda serializedLambda) {
try {
final Class<?> implClass = Class.forName(serializedLambda.getImplClass().replace('/', '.'));
if (stream(implClass.getMethods())
.noneMatch(
m -> m.getName().equals(serializedLambda.getImplMethodName()) && !m.isSynthetic())) {
throw new IllegalArgumentException("The supplied lambda is not a direct method reference");
}
} catch (final ClassNotFoundException e) {
throw new IllegalStateException(
"serializeLambda returned a SerializedLambda pointing to an invalid class", e);
}
}