presto-parser/src/main/java/io/prestosql/sql/tree/GrantRoles.java/GrantRoles/equals
class GrantRoles:    @Override
    public boolean equals(Object o)
    {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }
        GrantRoles grantRoles = (GrantRoles) o;
        return withAdminOption == grantRoles.withAdminOption &&
                Objects.equals(roles, grantRoles.roles) &&
                Objects.equals(grantees, grantRoles.grantees) &&
                Objects.equals(grantor, grantRoles.grantor);
    }