jcabi MkGithub example code no longer compiles

compile-error.txt

[error] /Users/chris/code/no-carrier/src/main/java/qux/Main.java:16: method create in interface com.jcabi.github.Repos cannot be applied to given types;
[error]   required: javax.json.JsonObject
[error]   found: java.lang.String
[error]   reason: argument mismatch; java.lang.String cannot be converted to javax.json.JsonObject
[error] github.repos().create
[error] /Users/chris/code/no-carrier/src/main/java/qux/Main.java:17: method get in interface com.jcabi.github.Repos cannot be applied to given types;
[error]   required: com.jcabi.github.Coordinates
[error]   found: java.lang.String
[error]   reason: argument mismatch; java.lang.String cannot be converted to com.jcabi.github.Coordinates
[error] github.repos().get
[error] /Users/chris/code/no-carrier/src/main/java/qux/Main.java:19: cannot find symbol
[error]   symbol:   method post(java.lang.String,java.lang.String)
[error]   location: variable issues of type com.jcabi.github.Issues
[error] issues.post
[error] (compile:compileIncremental) javac returned nonzero exit code

Main.java

package qux;

import java.io.IOException;
import com.jcabi.github.*;
import com.jcabi.github.mock.*;

public class Main {
    public static void main(String[] args) {
        Github github = null;
        try {
            github = new MkGithub("jeff");
        }
        catch (IOException exc) {
            return;
        }
        github.repos().create("jcabi/jcabi-github");
        Repo repo = github.repos().get("jcabi/jcabi-github");
        Issues issues = repo.issues();
        Issue issue = issues.post("issue title", "issue body");
    }
}