CostModel

export type CostModel = {
  builtins: Record<string, (argSizes: bigint[]) => Cost>
  builtinTerm: Cost
  callTerm: Cost
  caseTerm: Cost
  constrTerm: Cost
  constTerm: Cost
  delayTerm: Cost
  forceTerm: Cost
  lambdaTerm: Cost
  startupTerm: Cost
  varTerm: Cost
}