invoke

operator fun invoke(): EchoTest

Calls the invoke operator to retrieve the singleton instance of the EchoTest.

Return

The singleton instance of the EchoTest.

Example:

// Using invoke() to retrieve the EchoTest instance
val echoTest = EchoTest() // Equivalent to RainbowSdk().echoTest()

// Accessing services or functionalities using the retrieved instance
echoTest.someServiceMethod()