}
		if result.Objects[0].Name != "newPrefix" {
			t.Errorf("%s: Expected the object name to be `%s`, but instead found `%s`", instanceType, "newPrefix", result.Objects[0].Name)
		}
		if result.Objects[1].Name != "newPrefix2" {
			t.Errorf("%s: Expected the object name to be `%s`, but instead found `%s`", instanceType, "newPrefix2", result.Objects[0].Name)
		}
	}

	// check paging works.

		{testBuckets[0], "Asia/India/India-summer-photos-1", "contentstring", nil},
		{testBuckets[0], "Asia/India/Karnataka/Bangalore/Koramangala/pics", "contentstring", nil},
		{testBuckets[0], "newPrefix0", "newPrefix0", nil},
		{testBuckets[0], "newPrefix1", "newPrefix1", nil},
		{testBuckets[0], "newzen/zen/recurse/again/again/again/pics", "recurse", nil},
		{testBuckets[0], "obj0", "obj0", nil},
		{testBuckets[0], "obj1", "obj1", nil},

    private final String bannedPrefix;

    private final String newPrefix;

    private final ModelProblemCollector problems;

    ProblemDetectingValueSource(
            ValueSource valueSource, String bannedPrefix, String newPrefix, ModelProblemCollector problems) {
        this.valueSource = valueSource;
        this.bannedPrefix = bannedPrefix;
        this.newPrefix = newPrefix;
        this.problems = problems;
    }

    @Override