public DeleteDataSourceResult withProjectId(String projectId) {
        setProjectId(projectId);
        return this;
    }
<p>
The ID of the project in which this data source exists and from which it's deleted.
</p>

@param projectId
       The ID of the project in which this data source exists and from which it's deleted.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-datazoneexternal/src/main/java/com/amazonaws/services/datazone/model/DeleteDataSourceResult.java