import { EMRClient, AddInstanceFleetCommand } from "@aws-sdk/client-emr"; // ES Modules import
// const { EMRClient, AddInstanceFleetCommand } = require("@aws-sdk/client-emr"); // CommonJS import
const client = new EMRClient(config);
const command = new AddInstanceFleetCommand(input);
const response = await client.send(command);

import { EMRClient, AddInstanceGroupsCommand } from "@aws-sdk/client-emr"; // ES Modules import
// const { EMRClient, AddInstanceGroupsCommand } = require("@aws-sdk/client-emr"); // CommonJS import
const client = new EMRClient(config);
const command = new AddInstanceGroupsCommand(input);
const response = await client.send(command);

import { EMRClient, AddTagsCommand } from "@aws-sdk/client-emr"; // ES Modules import
// const { EMRClient, AddTagsCommand } = require("@aws-sdk/client-emr"); // CommonJS import
const client = new EMRClient(config);
const command = new AddTagsCommand(input);
const response = await client.send(command);

import * as AWS from "@aws-sdk/client-emr";
const client = new AWS.EMR({ region: "REGION" });

// async/await.
try {
  const data = await client.addInstanceFleet(params);
  // process data.
} catch (error) {
  // error handling.
}

// Promises.
client
  .addInstanceFleet(params)
  .then((data) => {
    // process data.
  })
  .catch((error) => {
    // error handling.
  });

// callbacks.
client.addInstanceFleet(params, (err, data) => {
  // proccess err and data.
});

import { EMRClient, AddJobFlowStepsCommand } from "@aws-sdk/client-emr"; // ES Modules import
// const { EMRClient, AddJobFlowStepsCommand } = require("@aws-sdk/client-emr"); // CommonJS import
const client = new EMRClient(config);
const command = new AddJobFlowStepsCommand(input);
const response = await client.send(command);