code: def _annotate_input_qspec_map(node: Node, input_node: Node, qspec):
      quantization_annotation = node.meta.get(
          "quantization_annotation", QuantizationAnnotation()
      )
      if quantization_annotation.input_qspec_map is None:
          quantization_annotation.input_qspec_map = {}
      quantization_annotation.input_qspec_map[input_node] = qspec
      node.meta["quantization_annotation"] = quantization_annotation
  
imports: from typing import List
  from torch.ao.quantization.pt2e.utils import _is_sym_size_node
  from torch.ao.quantization.quantizer.quantizer import QuantizationAnnotation
  from torch.fx import Node
label_desc: Use image node_id 1 for calling a global function with example usage: _annotate_input_qspec_map(node, input_node, qspec) without return types