class_docstr: Adds semantics information to the user configured model.
code: def semantic_manifest(self) -> SemanticManifest:  # noqa: D
      return self._semantic_manifest
  
file_path: metricflow/metricflow/model/semantic_manifest_lookup.py
imports: from __future__ import annotations
  import logging
  from dbt_semantic_interfaces.pretty_print import pformat_big_objects
  from dbt_semantic_interfaces.protocols.semantic_manifest import SemanticManifest
  from dbt_semantic_interfaces.type_enums import TimeGranularity
  from metricflow.dataflow.sql_table import SqlTable
  from metricflow.model.semantics.metric_lookup import MetricLookup
  from metricflow.model.semantics.semantic_model_lookup import SemanticModelLookup
  from metricflow.plan_conversion.time_spine import TimeSpineSource
  from metricflow.protocols.semantics import SemanticModelAccessor
label_desc: Use image node_id 2 for calling the SemanticManifestLookup obj's underlying member method code with example usage: obj.semantic_manifest() and returns: self