library/src/main/java/com/kdgregory/aws/utils/iam/PolicyBuilder.java
/**
         *  Internal method to append the field header of this principal to an
         *  in-process build.
         */
Internal method to append the field header of this principal to an
in-process build.
Internal method to append the field header of this principal to an in - process build .
protected void appendHeader(JsonGenerator out)
        throws IOException
        {
            out.writeFieldName("Principal");
        }
protected void appendHeader ( JsonGenerator out ) throws IOException { out . writeFieldName ( "Principal" ) ; }
Internal method to append the field header of this principal to an
  in-process build.
Internal method to append the field header of this principal to an in - process build .