Дмитрий Еремин

@RestController
@RequestMapping("/process")
public class ActivitiController {

   @PostMapping(value = "/start")
   public String startProcess(@RequestParam("processName") String processName, @RequestBody Map<String, String> params ) {
        ...
    }
}

this.stateService.fetch(this.reports_id).subscribe((data: State[]) => {
      console.log(data)
      stateConfig.data = data.map(item => item.state_time)
      stateConfig.labels = data.map(item => item.density)
      const stateCtx = this.stateRef.nativeElement.getContext('2d')
      stateCtx.canvas.height = '300px'
      new Chart(stateCtx, createChartConfig(stateConfig))
    }
  )

ngOnInit() {
    const stateConfig: any = {
      label: 'Статистика',
      color: 'rgb(255, 99, 132)'
    }

    this.chart = {};

    this.stateService.fetch(this.reports_id).subscribe((data: State[]) => {
      console.log(data)
      stateConfig.data = data.map(item => item.state_time)
      stateConfig.labels = data.map(item => item.density)
      const stateCtx = this.stateRef.nativeElement.getContext('2d')
      stateCtx.canvas.height = '300px'
      this.chart = new Chart(stateCtx, createChartConfig(stateConfig))
    }
  )}

using System;
using System.Numerics;
					
public class Program
{
	public static void Main()
	{
		BigInteger hugeInt = BigInteger.Parse("91948102834320102834715231012347");
		Console.WriteLine(hugeInt);
	}
}