presto-spi/src/main/java/io/prestosql/spi/type/TypeSignature.java/TypeSignature/equals
class TypeSignature:    @Override
    public boolean equals(Object o)
    {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }

        TypeSignature other = (TypeSignature) o;

        return Objects.equals(this.base.toLowerCase(Locale.ENGLISH), other.base.toLowerCase(Locale.ENGLISH)) &&
                Objects.equals(this.parameters, other.parameters);
    }