static _logGeneric({ usage, solution }) {
    // Compose message
    let output = `DeprecationWarning: ${usage} is deprecated and will be removed in a future version.`;
    output += solution ? ` ${solution}` : '';
    logger.warn(output);
  }
Logs a generic deprecation warning.

@param {Object} options The deprecation options.
@param {String} options.usage The usage that is deprecated.
@param {String} [options.solution] The instruction to resolve this deprecation warning.
Optional. It is recommended to add an instruction for the convenience of the developer.