presto-main/src/main/java/io/prestosql/sql/analyzer/TypeSignatureProvider.java/TypeSignatureProvider/fromTypeSignatures
class TypeSignatureProvider:    public static List<TypeSignatureProvider> fromTypeSignatures(List<? extends TypeSignature> typeSignatures)
    {
        return typeSignatures.stream()
                .map(TypeSignatureProvider::new)
                .collect(toImmutableList());
    }