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I suppose the type for `parameters` is wrong then. Do you mind filing an issue? As a workaround, you should be able to pass `any` there,  e.g.
`"EventsOutOfOrderMaxDelayInSeconds": (any)0,`

The supported ARM template parameter types are "_string, securestring, int, bool, object, secureObject, and array_", see <https://docs.microsoft.com/en-us/azure/azure-resource-manager/templates/template-syntax#parameters>

We are using VS Code extension for Azure Stream Analytics that generates the ARM templates

`"EventsLateArrivalMaxDelayInSeconds": 5 as any,` does compile, but still returns error

```Diagnostics:
  azure:core:TemplateDeployment (bla-sa):
    error: Error validating Template for Deployment "bla-sa" (Resource Group "uel-dev-rg"): Deployment template validation failed: 'Template parameter JToken type is not valid. Expected 'Integer'. Actual 'String'. Please see <https://aka.ms/resource-manager-parameter-files> for usage details.'.```

I created an issue here <https://github.com/pulumi/pulumi-azure/issues/607>

It looks like it’s a problem inside the Terraform provider: <https://github.com/terraform-providers/terraform-provider-azurerm/issues/34>