public ANSIBuffer black(final String str) {
    return attrib(str, ANSICodes.FG_BLACK);
  }
A buffer that can contain ANSI text.

@author <a href="mailto:mwp1@cornell.edu">Marc Prud'hommeaux</a>
geode-gfsh/src/main/java/org/apache/geode/management/internal/cli/shell/jline/ANSIBuffer.java