public final Set<ShapeId> getIntroducedOperations() {
        return introducedOperations;
    }
Gets operations bound through the "operations" property that
were not inherited from mixins.

<p>This will not include operations bound to resources using
a lifecycle operation binding. This will also not include
operations bound to this entity through sub-resources.

@return Gets the introduced operations.
smithy-model/src/main/java/software/amazon/smithy/model/shapes/EntityShape.java