### Static methods
`init_aggregation_node(aggregation_effect_group: superlinked.framework.dsl.index.util.aggregation_effect_group.AggregationEffectGroup[~AggregationInputT, ~EmbeddingInputT], effect_modifier: superlinked.framework.common.dag.effect_modifier.EffectModifier) ‑> superlinked.framework.common.dag.aggregation_node.AggregationNode[~AggregationInputT, ~EmbeddingInputT]`
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