public Builder setWantStderr(boolean wantStderr) {
        this.wantStderr = wantStderr;
        return this;
      }
Set if error output should be read and returned to the {@link CommandResult}.

@param wantStderr
    {@code true} to read error output
@return This Builder object for method chaining
imitate/src/main/java/com/engineer/imitate/shell/Shell.java