package pl.mbaleczny.instalike.domain.model;


public class User {

    private long id;

    private String firstName;
    private String lastName;
    private String email;
    private String username;
    private String role;
    private String active;
    private Object phoneNumber;

    public long getId() {
        return id;
    }

    public void setId(long id) {
        this.id = id;
    }

    public Object getFirstName() {
        return firstName;
    }

    public void setFirstName(String firstName) {
        this.firstName = firstName;
    }

    public String getLastName() {
        return lastName;
    }

    public void setLastName(String lastName) {
        this.lastName = lastName;
    }

    public String getEmail() {
        return email;
    }

    public void setEmail(String email) {
        this.email = email;
    }

    public String getUsername() {
        return username;
    }

    public void setUsername(String username) {
        this.username = username;
    }

    public Object getPhoneNumber() {
        return phoneNumber;
    }

    public void setPhoneNumber(Object phoneNumber) {
        this.phoneNumber = phoneNumber;
    }

    public String getRole() {
        return role;
    }

    public void setRole(String role) {
        this.role = role;
    }

    public String getActive() {
        return active;
    }

    public boolean isActive() {
        return active != null;
    }

    public void setActive(String active) {
        this.active = active;
    }
}
@@ -403,30 +403,30 @@
 %0A    public 
-Object
+String
  getFirstNam

Fix getFirstName return type in User class