Method getBasicGroupParticipants

aban/aban.ts:486–499

(client: TelegramClient, chatId: any)

                  participant: new Api.InputPeerUser({
                    userId: bigInt(userId),
                    accessHash: bigInt(0),
                  }),
                })
              );
              const matched = (res?.users || []).find((u: any) => Number(u?.id) === userId);
              if (matched && !found.participant) {
                const input = await this.safeGetInputEntity(client, matched);
                if (input) found = { participant: input, entity: matched };
              }
              return;
            }

            const full: any = await client.invoke(
              new Api.messages.GetFullChat({
                chatId: bigInt(Math.abs(Number(group.id))),
              })
            );