src/vs/workbench/contrib/tasks/common/tasks.ts/fromString
	export function fromString(value: string): RuntimeType {
		switch (value.toLowerCase()) {
			case 'shell':
				return RuntimeType.Shell;
			case 'process':
				return RuntimeType.Process;
			case 'customExecution':
				return RuntimeType.CustomExecution;
			default:
				return RuntimeType.Process;
		}
	}