get incomingRelations() {
    if (!this.assetGraph) {
      throw new Error(
        'Asset.incomingRelations getter: Asset is not part of an AssetGraph'
      );
    }
    if (this.incomingInlineRelation) {
      return [this.incomingInlineRelation];
    } else {
      return this.assetGraph.findRelations({ to: this });
    }
  }
Get/set the relations pointing to this asset

**Caveat**: Setting Does not remove/detach other relations already pointing at the
asset, but not included in the array, so it's not strictly symmetric
with the incomingRelations getter.

@type {Relation[]}