Returns an immutable instance of [ModelPriceMapModelPriceMapParams].
public ModelPriceMapModelPriceMapParams build()Returns an immutable instance of [ModelPriceMapModelPriceMapParams]. Further updates to this [Builder] will not mutate the returned instance. The following fields are required:
.completionCost()
.matchPattern()
.name()
.promptCost()IllegalStateException: if any required field is unset.