class_docstr: Total system memory available in MB.
class_docstr_tok: ["Total","system","memory","available","in","MB","."]
code: def __init__(self) -> None:
      self.samples = deque([])
  
imports: import threading
  from collections import deque
  from typing import TYPE_CHECKING, List, Optional
  from .aggregators import aggregate_mean
  from .asset_registry import asset_registry
  from .interfaces import Interface, Metric, MetricsMonitor
label_desc: Use image node_id 1 to create a new MemoryAvailable object  with example: obj = MemoryAvailable()