public Argument setEnvVars(final String... newEnvVars) {
    if (newEnvVars.length != paramNames.length) {
      throw (new IllegalArgumentException(
          "Environment variables array length provided is not " + "the correct size"));
    }
    envVars = newEnvVars;
    return this;
  }
Sets the environment variables which will be checked for values before falling back on the
default values.

@param newEnvVars environment variable name array
@return this argument (for chained calls)
extensions/geode-modules-session/src/main/java/org/apache/geode/modules/session/installer/args/Argument.java