func (s *GroupsService) GetGroupPushRules(gid interface{}, options ...RequestOptionFunc) (*GroupPushRules, *Response, error) {
	group, err := parseID(gid)
	if err != nil {
		return nil, nil, err
	}
	u := fmt.Sprintf("groups/%s/push_rule", pathEscape(group))
	req, err := s.client.NewRequest(http.MethodGet, u, nil, options)
	if err != nil {
		return nil, nil, err
	}
	gpr := new(GroupPushRules)
	resp, err := s.client.Do(req, gpr)
	if err != nil {
		return nil, resp, err
	}
	return gpr, resp, err
}
GetGroupPushRules gets the push rules of a group.

GitLab API docs:
https://docs.gitlab.com/ee/api/groups.html#get-group-push-rules
package gitlab
import (
	"fmt"
	"net/http"
	"time"
)
type GroupsService struct {
	client *Client
}
type Group struct {
	ID                      int                        `json:"id"`
	Name                    string                     `json:"name"`
	Path                    string                     `json:"path"`
	Description             string                     `json:"description"`
	MembershipLock          bool                       `json:"membership_lock"`
	Visibility              VisibilityValue            `json:"visibility"`
	LFSEnabled              bool                       `json:"lfs_enabled"`
	DefaultBranchProtection int                        `json:"default_branch_protection"`
	AvatarURL               string                     `json:"avatar_url"`
	WebURL                  string                     `json:"web_url"`
	RequestAccessEnabled    bool                       `json:"request_access_enabled"`
	FullName                string                     `json:"full_name"`
	FullPath                string                     `json:"full_path"`
	ParentID                int                        `json:"parent_id"`
	Projects                []*Project                 `json:"projects"`
	Statistics              *StorageStatistics         `json:"statistics"`
	CustomAttributes        []*CustomAttribute         `json:"custom_attributes"`
	ShareWithGroupLock      bool                       `json:"share_with_group_lock"`
	RequireTwoFactorAuth    bool                       `json:"require_two_factor_authentication"`
	TwoFactorGracePeriod    int                        `json:"two_factor_grace_period"`
	ProjectCreationLevel    ProjectCreationLevelValue  `json:"project_creation_level"`
	AutoDevopsEnabled       bool                       `json:"auto_devops_enabled"`
	SubGroupCreationLevel   SubGroupCreationLevelValue `json:"subgroup_creation_level"`
	EmailsDisabled          bool                       `json:"emails_disabled"`
	MentionsDisabled        bool                       `json:"mentions_disabled"`
	RunnersToken            string                     `json:"runners_token"`
	SharedProjects          []*Project                 `json:"shared_projects"`
	SharedWithGroups        []struct {
		GroupID          int      `json:"group_id"`
		GroupName        string   `json:"group_name"`
		GroupFullPath    string   `json:"group_full_path"`
		GroupAccessLevel int      `json:"group_access_level"`
		ExpiresAt        *ISOTime `json:"expires_at"`
	} `json:"shared_with_groups"`
	LDAPCN                         string           `json:"ldap_cn"`
	LDAPAccess                     AccessLevelValue `json:"ldap_access"`
	LDAPGroupLinks                 []*LDAPGroupLink `json:"ldap_group_links"`
	SharedRunnersMinutesLimit      int              `json:"shared_runners_minutes_limit"`
	ExtraSharedRunnersMinutesLimit int              `json:"extra_shared_runners_minutes_limit"`
	MarkedForDeletionOn            *ISOTime         `json:"marked_for_deletion_on"`
	CreatedAt                      *time.Time       `json:"created_at"`
}
type LDAPGroupLink struct {
	CN          string           `json:"cn"`
	Filter      string           `json:"filter"`
	GroupAccess AccessLevelValue `json:"group_access"`
	Provider    string           `json:"provider"`
}
type ListGroupsOptions struct {
	ListOptions
	AllAvailable         *bool             `url:"all_available,omitempty" json:"all_available,omitempty"`
	MinAccessLevel       *AccessLevelValue `url:"min_access_level,omitempty" json:"min_access_level,omitempty"`
	OrderBy              *string           `url:"order_by,omitempty" json:"order_by,omitempty"`
	Owned                *bool             `url:"owned,omitempty" json:"owned,omitempty"`
	Search               *string           `url:"search,omitempty" json:"search,omitempty"`
	SkipGroups           []int             `url:"skip_groups,omitempty" json:"skip_groups,omitempty"`
	Sort                 *string           `url:"sort,omitempty" json:"sort,omitempty"`
	Statistics           *bool             `url:"statistics,omitempty" json:"statistics,omitempty"`
	TopLevelOnly         *bool             `url:"top_level_only,omitempty" json:"top_level_only,omitempty"`
	WithCustomAttributes *bool             `url:"with_custom_attributes,omitempty" json:"with_custom_attributes,omitempty"`
}
func (s *GroupsService) ListGroups(opt *ListGroupsOptions, options ...RequestOptionFunc) ([]*Group, *Response, error) {
	req, err := s.client.NewRequest(http.MethodGet, "groups", opt, options)
	if err != nil {
		return nil, nil, err
	}
	var g []*Group
	resp, err := s.client.Do(req, &g)
	if err != nil {
		return nil, resp, err
	}
	return g, resp, err
}
type GetGroupOptions struct {
	ListOptions
	WithCustomAttributes *bool `url:"with_custom_attributes,omitempty" json:"with_custom_attributes,omitempty"`
	WithProjects         *bool `url:"with_projects,omitempty" json:"with_projects,omitempty"`
}
func (s *GroupsService) GetGroup(gid interface{}, opt *GetGroupOptions, options ...RequestOptionFunc) (*Group, *Response, error) {
	group, err := parseID(gid)
	if err != nil {
		return nil, nil, err
	}
	u := fmt.Sprintf("groups/%s", pathEscape(group))
	req, err := s.client.NewRequest(http.MethodGet, u, opt, options)
	if err != nil {
		return nil, nil, err
	}
	g := new(Group)
	resp, err := s.client.Do(req, g)
	if err != nil {
		return nil, resp, err
	}
	return g, resp, err
}
type CreateGroupOptions struct {
	Name                           *string                     `url:"name,omitempty" json:"name,omitempty"`
	Path                           *string                     `url:"path,omitempty" json:"path,omitempty"`
	Description                    *string                     `url:"description,omitempty" json:"description,omitempty"`
	MembershipLock                 *bool                       `url:"membership_lock,omitempty" json:"membership_lock,omitempty"`
	Visibility                     *VisibilityValue            `url:"visibility,omitempty" json:"visibility,omitempty"`
	ShareWithGroupLock             *bool                       `url:"share_with_group_lock,omitempty" json:"share_with_group_lock,omitempty"`
	RequireTwoFactorAuth           *bool                       `url:"require_two_factor_authentication,omitempty" json:"require_two_factor_authentication,omitempty"`
	TwoFactorGracePeriod           *int                        `url:"two_factor_grace_period,omitempty" json:"two_factor_grace_period,omitempty"`
	ProjectCreationLevel           *ProjectCreationLevelValue  `url:"project_creation_level,omitempty" json:"project_creation_level,omitempty"`
	AutoDevopsEnabled              *bool                       `url:"auto_devops_enabled,omitempty" json:"auto_devops_enabled,omitempty"`
	SubGroupCreationLevel          *SubGroupCreationLevelValue `url:"subgroup_creation_level,omitempty" json:"subgroup_creation_level,omitempty"`
	EmailsDisabled                 *bool                       `url:"emails_disabled,omitempty" json:"emails_disabled,omitempty"`
	MentionsDisabled               *bool                       `url:"mentions_disabled,omitempty" json:"mentions_disabled,omitempty"`
	LFSEnabled                     *bool                       `url:"lfs_enabled,omitempty" json:"lfs_enabled,omitempty"`
	DefaultBranchProtection        *int                        `url:"default_branch_protection,omitempty" json:"default_branch_protection"`
	RequestAccessEnabled           *bool                       `url:"request_access_enabled,omitempty" json:"request_access_enabled,omitempty"`
	ParentID                       *int                        `url:"parent_id,omitempty" json:"parent_id,omitempty"`
	SharedRunnersMinutesLimit      *int                        `url:"shared_runners_minutes_limit,omitempty" json:"shared_runners_minutes_limit,omitempty"`
	ExtraSharedRunnersMinutesLimit *int                        `url:"extra_shared_runners_minutes_limit,omitempty" json:"extra_shared_runners_minutes_limit,omitempty"`
}
func (s *GroupsService) CreateGroup(opt *CreateGroupOptions, options ...RequestOptionFunc) (*Group, *Response, error) {
	req, err := s.client.NewRequest(http.MethodPost, "groups", opt, options)
	if err != nil {
		return nil, nil, err
	}
	g := new(Group)
	resp, err := s.client.Do(req, g)
	if err != nil {
		return nil, resp, err
	}
	return g, resp, err
}
func (s *GroupsService) TransferGroup(gid interface{}, pid interface{}, options ...RequestOptionFunc) (*Group, *Response, error) {
	group, err := parseID(gid)
	if err != nil {
		return nil, nil, err
	}
	project, err := parseID(pid)
	if err != nil {
		return nil, nil, err
	}
	u := fmt.Sprintf("groups/%s/projects/%s", pathEscape(group), pathEscape(project))
	req, err := s.client.NewRequest(http.MethodPost, u, nil, options)
	if err != nil {
		return nil, nil, err
	}
	g := new(Group)
	resp, err := s.client.Do(req, g)
	if err != nil {
		return nil, resp, err
	}
	return g, resp, err
}
type UpdateGroupOptions struct {
	Name                                 *string                     `url:"name,omitempty" json:"name,omitempty"`
	Path                                 *string                     `url:"path,omitempty" json:"path,omitempty"`
	Description                          *string                     `url:"description,omitempty" json:"description,omitempty"`
	MembershipLock                       *bool                       `url:"membership_lock,omitempty" json:"membership_lock,omitempty"`
	Visibility                           *VisibilityValue            `url:"visibility,omitempty" json:"visibility,omitempty"`
	ShareWithGroupLock                   *bool                       `url:"share_with_group_lock,omitempty" json:"share_with_group_lock,omitempty"`
	RequireTwoFactorAuth                 *bool                       `url:"require_two_factor_authentication,omitempty" json:"require_two_factor_authentication,omitempty"`
	TwoFactorGracePeriod                 *int                        `url:"two_factor_grace_period,omitempty" json:"two_factor_grace_period,omitempty"`
	ProjectCreationLevel                 *ProjectCreationLevelValue  `url:"project_creation_level,omitempty" json:"project_creation_level,omitempty"`
	AutoDevopsEnabled                    *bool                       `url:"auto_devops_enabled,omitempty" json:"auto_devops_enabled,omitempty"`
	SubGroupCreationLevel                *SubGroupCreationLevelValue `url:"subgroup_creation_level,omitempty" json:"subgroup_creation_level,omitempty"`
	EmailsDisabled                       *bool                       `url:"emails_disabled,omitempty" json:"emails_disabled,omitempty"`
	MentionsDisabled                     *bool                       `url:"mentions_disabled,omitempty" json:"mentions_disabled,omitempty"`
	LFSEnabled                           *bool                       `url:"lfs_enabled,omitempty" json:"lfs_enabled,omitempty"`
	RequestAccessEnabled                 *bool                       `url:"request_access_enabled,omitempty" json:"request_access_enabled,omitempty"`
	DefaultBranchProtection              *int                        `url:"default_branch_protection,omitempty" json:"default_branch_protection,omitempty"`
	FileTemplateProjectID                *int                        `url:"file_template_project_id,omitempty" json:"file_template_project_id,omitempty"`
	SharedRunnersMinutesLimit            *int                        `url:"shared_runners_minutes_limit,omitempty" json:"shared_runners_minutes_limit,omitempty"`
	ExtraSharedRunnersMinutesLimit       *int                        `url:"extra_shared_runners_minutes_limit,omitempty" json:"extra_shared_runners_minutes_limit,omitempty"`
	PreventForkingOutsideGroup           *bool                       `url:"prevent_forking_outside_group,omitempty" json:"prevent_forking_outside_group,omitempty"`
	SharedRunnersSetting                 *SharedRunnersSettingValue  `url:"shared_runners_setting,omitempty" json:"shared_runners_setting,omitempty"`
	PreventSharingGroupsOutsideHierarchy *bool                       `url:"prevent_sharing_groups_outside_hierarchy,omitempty" json:"prevent_sharing_groups_outside_hierarchy,omitempty"`
}
func (s *GroupsService) UpdateGroup(gid interface{}, opt *UpdateGroupOptions, options ...RequestOptionFunc) (*Group, *Response, error) {
	group, err := parseID(gid)
	if err != nil {
		return nil, nil, err
	}
	u := fmt.Sprintf("groups/%s", pathEscape(group))
	req, err := s.client.NewRequest(http.MethodPut, u, opt, options)
	if err != nil {
		return nil, nil, err
	}
	g := new(Group)
	resp, err := s.client.Do(req, g)
	if err != nil {
		return nil, resp, err
	}
	return g, resp, err
}
func (s *GroupsService) DeleteGroup(gid interface{}, options ...RequestOptionFunc) (*Response, error) {
	group, err := parseID(gid)
	if err != nil {
		return nil, err
	}
	u := fmt.Sprintf("groups/%s", pathEscape(group))
	req, err := s.client.NewRequest(http.MethodDelete, u, nil, options)
	if err != nil {
		return nil, err
	}
	return s.client.Do(req, nil)
}
func (s *GroupsService) RestoreGroup(gid interface{}, options ...RequestOptionFunc) (*Group, *Response, error) {
	group, err := parseID(gid)
	if err != nil {
		return nil, nil, err
	}
	u := fmt.Sprintf("groups/%s/restore", pathEscape(group))
	req, err := s.client.NewRequest(http.MethodPost, u, nil, options)
	if err != nil {
		return nil, nil, err
	}
	g := new(Group)
	resp, err := s.client.Do(req, g)
	if err != nil {
		return nil, resp, err
	}
	return g, resp, nil
}
func (s *GroupsService) SearchGroup(query string, options ...RequestOptionFunc) ([]*Group, *Response, error) {
	var q struct {
		Search string `url:"search,omitempty" json:"search,omitempty"`
	}
	q.Search = query
	req, err := s.client.NewRequest(http.MethodGet, "groups", &q, options)
	if err != nil {
		return nil, nil, err
	}
	var g []*Group
	resp, err := s.client.Do(req, &g)
	if err != nil {
		return nil, resp, err
	}
	return g, resp, err
}
type ListGroupProjectsOptions struct {
	ListOptions
	Archived                 *bool             `url:"archived,omitempty" json:"archived,omitempty"`
	IncludeSubgroups         *bool             `url:"include_subgroups,omitempty" json:"include_subgroups,omitempty"`
	MinAccessLevel           *AccessLevelValue `url:"min_access_level,omitempty" json:"min_access_level,omitempty"`
	OrderBy                  *string           `url:"order_by,omitempty" json:"order_by,omitempty"`
	Owned                    *bool             `url:"owned,omitempty" json:"owned,omitempty"`
	Search                   *string           `url:"search,omitempty" json:"search,omitempty"`
	Simple                   *bool             `url:"simple,omitempty" json:"simple,omitempty"`
	Sort                     *string           `url:"sort,omitempty" json:"sort,omitempty"`
	Starred                  *bool             `url:"starred,omitempty" json:"starred,omitempty"`
	Visibility               *VisibilityValue  `url:"visibility,omitempty" json:"visibility,omitempty"`
	WithCustomAttributes     *bool             `url:"with_custom_attributes,omitempty" json:"with_custom_attributes,omitempty"`
	WithIssuesEnabled        *bool             `url:"with_issues_enabled,omitempty" json:"with_issues_enabled,omitempty"`
	WithMergeRequestsEnabled *bool             `url:"with_merge_requests_enabled,omitempty" json:"with_merge_requests_enabled,omitempty"`
	WithSecurityReports      *bool             `url:"with_security_reports,omitempty" json:"with_security_reports,omitempty"`
	WithShared               *bool             `url:"with_shared,omitempty" json:"with_shared,omitempty"`
}
func (s *GroupsService) ListGroupProjects(gid interface{}, opt *ListGroupProjectsOptions, options ...RequestOptionFunc) ([]*Project, *Response, error) {
	group, err := parseID(gid)
	if err != nil {
		return nil, nil, err
	}
	u := fmt.Sprintf("groups/%s/projects", pathEscape(group))
	req, err := s.client.NewRequest(http.MethodGet, u, opt, options)
	if err != nil {
		return nil, nil, err
	}
	var p []*Project
	resp, err := s.client.Do(req, &p)
	if err != nil {
		return nil, resp, err
	}
	return p, resp, err
}
type ListSubgroupsOptions ListGroupsOptions
func (s *GroupsService) ListSubgroups(gid interface{}, opt *ListSubgroupsOptions, options ...RequestOptionFunc) ([]*Group, *Response, error) {
	group, err := parseID(gid)
	if err != nil {
		return nil, nil, err
	}
	u := fmt.Sprintf("groups/%s/subgroups", pathEscape(group))
	req, err := s.client.NewRequest(http.MethodGet, u, opt, options)
	if err != nil {
		return nil, nil, err
	}
	var g []*Group
	resp, err := s.client.Do(req, &g)
	if err != nil {
		return nil, resp, err
	}
	return g, resp, err
}
type ListDescendantGroupsOptions ListGroupsOptions
func (s *GroupsService) ListDescendantGroups(gid interface{}, opt *ListDescendantGroupsOptions, options ...RequestOptionFunc) ([]*Group, *Response, error) {
	group, err := parseID(gid)
	if err != nil {
		return nil, nil, err
	}
	u := fmt.Sprintf("groups/%s/descendant_groups", pathEscape(group))
	req, err := s.client.NewRequest(http.MethodGet, u, opt, options)
	if err != nil {
		return nil, nil, err
	}
	var g []*Group
	resp, err := s.client.Do(req, &g)
	if err != nil {
		return nil, resp, err
	}
	return g, resp, err
}
func (s *GroupsService) ListGroupLDAPLinks(gid interface{}, options ...RequestOptionFunc) ([]*LDAPGroupLink, *Response, error) {
	group, err := parseID(gid)
	if err != nil {
		return nil, nil, err
	}
	u := fmt.Sprintf("groups/%s/ldap_group_links", pathEscape(group))
	req, err := s.client.NewRequest(http.MethodGet, u, nil, options)
	if err != nil {
		return nil, nil, err
	}
	var gl []*LDAPGroupLink
	resp, err := s.client.Do(req, &gl)
	if err != nil {
		return nil, resp, err
	}
	return gl, resp, nil
}
type AddGroupLDAPLinkOptions struct {
	CN          *string           `url:"cn,omitempty" json:"cn,omitempty"`
	Filter      *string           `url:"filter,omitempty" json:"filter,omitempty"`
	GroupAccess *AccessLevelValue `url:"group_access,omitempty" json:"group_access,omitempty"`
	Provider    *string           `url:"provider,omitempty" json:"provider,omitempty"`
}
type DeleteGroupLDAPLinkWithCNOrFilterOptions struct {
	CN       *string `url:"cn,omitempty" json:"cn,omitempty"`
	Filter   *string `url:"filter,omitempty" json:"filter,omitempty"`
	Provider *string `url:"provider,omitempty" json:"provider,omitempty"`
}
func (s *GroupsService) AddGroupLDAPLink(gid interface{}, opt *AddGroupLDAPLinkOptions, options ...RequestOptionFunc) (*LDAPGroupLink, *Response, error) {
	group, err := parseID(gid)
	if err != nil {
		return nil, nil, err
	}
	u := fmt.Sprintf("groups/%s/ldap_group_links", pathEscape(group))
	req, err := s.client.NewRequest(http.MethodPost, u, opt, options)
	if err != nil {
		return nil, nil, err
	}
	gl := new(LDAPGroupLink)
	resp, err := s.client.Do(req, gl)
	if err != nil {
		return nil, resp, err
	}
	return gl, resp, err
}
func (s *GroupsService) DeleteGroupLDAPLink(gid interface{}, cn string, options ...RequestOptionFunc) (*Response, error) {
	group, err := parseID(gid)
	if err != nil {
		return nil, err
	}
	u := fmt.Sprintf("groups/%s/ldap_group_links/%s", pathEscape(group), pathEscape(cn))
	req, err := s.client.NewRequest(http.MethodDelete, u, nil, options)
	if err != nil {
		return nil, err
	}
	return s.client.Do(req, nil)
}
func (s *GroupsService) DeleteGroupLDAPLinkWithCNOrFilter(gid interface{}, opts *DeleteGroupLDAPLinkWithCNOrFilterOptions, options ...RequestOptionFunc) (*Response, error) {
	group, err := parseID(gid)
	if err != nil {
		return nil, err
	}
	u := fmt.Sprintf("groups/%s/ldap_group_links", pathEscape(group))
	req, err := s.client.NewRequest(http.MethodDelete, u, opts, options)
	if err != nil {
		return nil, err
	}
	return s.client.Do(req, nil)
}
func (s *GroupsService) DeleteGroupLDAPLinkForProvider(gid interface{}, provider, cn string, options ...RequestOptionFunc) (*Response, error) {
	group, err := parseID(gid)
	if err != nil {
		return nil, err
	}
	u := fmt.Sprintf(
		"groups/%s/ldap_group_links/%s/%s",
		pathEscape(group),
		pathEscape(provider),
		pathEscape(cn),
	)
	req, err := s.client.NewRequest(http.MethodDelete, u, nil, options)
	if err != nil {
		return nil, err
	}
	return s.client.Do(req, nil)
}
type ShareGroupWithGroupOptions struct {
	GroupID     *int              `url:"group_id,omitempty" json:"group_id,omitempty"`
	GroupAccess *AccessLevelValue `url:"group_access,omitempty" json:"group_access,omitempty"`
	ExpiresAt   *ISOTime          `url:"expires_at,omitempty" json:"expires_at,omitempty"`
}
func (s *GroupsService) ShareGroupWithGroup(gid interface{}, opt *ShareGroupWithGroupOptions, options ...RequestOptionFunc) (*Group, *Response, error) {
	group, err := parseID(gid)
	if err != nil {
		return nil, nil, err
	}
	u := fmt.Sprintf("groups/%s/share", pathEscape(group))
	req, err := s.client.NewRequest(http.MethodPost, u, opt, options)
	if err != nil {
		return nil, nil, err
	}
	g := new(Group)
	resp, err := s.client.Do(req, g)
	if err != nil {
		return nil, resp, err
	}
	return g, resp, err
}
func (s *GroupsService) UnshareGroupFromGroup(gid interface{}, groupID int, options ...RequestOptionFunc) (*Response, error) {
	group, err := parseID(gid)
	if err != nil {
		return nil, err
	}
	u := fmt.Sprintf("groups/%s/share/%d", pathEscape(group), groupID)
	req, err := s.client.NewRequest(http.MethodDelete, u, nil, options)
	if err != nil {
		return nil, err
	}
	return s.client.Do(req, nil)
}
type GroupPushRules struct {
	ID                         int        `json:"id"`
	CreatedAt                  *time.Time `json:"created_at"`
	CommitMessageRegex         string     `json:"commit_message_regex"`
	CommitMessageNegativeRegex string     `json:"commit_message_negative_regex"`
	BranchNameRegex            string     `json:"branch_name_regex"`
	DenyDeleteTag              bool       `json:"deny_delete_tag"`
	MemberCheck                bool       `json:"member_check"`
	PreventSecrets             bool       `json:"prevent_secrets"`
	AuthorEmailRegex           string     `json:"author_email_regex"`
	FileNameRegex              string     `json:"file_name_regex"`
	MaxFileSize                int        `json:"max_file_size"`
	CommitCommitterCheck       bool       `json:"commit_committer_check"`
	RejectUnsignedCommits      bool       `json:"reject_unsigned_commits"`
}