public RuntimeHintDetails withSubSlotHints(java.util.Map<String, RuntimeHintDetails> subSlotHints) {
        setSubSlotHints(subSlotHints);
        return this;
    }
<p>
A map of constituent sub slot names inside a composite slot in the intent and the phrases that should be added
for each sub slot. Inside each composite slot hints, this structure provides a mechanism to add granular sub slot
phrases. Only sub slot hints are supported for composite slots. The intent name, composite slot name and the
constituent sub slot names must exist.
</p>

@param subSlotHints
       A map of constituent sub slot names inside a composite slot in the intent and the phrases that should be
       added for each sub slot. Inside each composite slot hints, this structure provides a mechanism to add
       granular sub slot phrases. Only sub slot hints are supported for composite slots. The intent name,
       composite slot name and the constituent sub slot names must exist.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-lexruntimev2/src/main/java/com/amazonaws/services/lexruntimev2/model/RuntimeHintDetails.java