Take max milliseconds time to do a work and wait to continue doing.

TakeMaxMilliseconds.kt

package br.com.devsrsouza.kotlinbukkitapi.controllers

import kotlinx.coroutines.delay
import kotlinx.coroutines.runBlocking
import java.util.concurrent.ConcurrentHashMap
import kotlin.coroutines.CoroutineContext
import kotlin.coroutines.coroutineContext
import kotlin.system.measureTimeMillis

fun main() {
    runBlocking {
        val time = measureTimeMillis {
            for (i in 1..50) {
                print(i)
                takeMaxMilliseconds(50)
                delay(10)
            }
        }

        println(time)
    }
}

data class TakeValues(val startTimeMiliseconds: Long, val takeTime: Long)

private val takes = ConcurrentHashMap<CoroutineContext, TakeValues>()

suspend fun takeMaxMilliseconds(millisecond: Long, waitTime: Long = 1000) {
    val takeValues = takes.get(coroutineContext)

    if(takeValues == null) {
        // registering take max at current millisecond
        takes.put(coroutineContext, TakeValues(System.currentTimeMillis(), millisecond))
    } else {
        val exceededTime = System.currentTimeMillis() - takeValues.startTimeMiliseconds - takeValues.takeTime

        // checking if this exceeded the max time of execution
        if(exceededTime >= 0) {
            takes.remove(coroutineContext)
            delay(waitTime)
        }
    }
}