The ApprovalModes enum for getAllowance and approve.
Use with getAllowance and approve (parameter name is mode, not permitType):
import { ApprovalModes } from "@dzapio/sdk";ApprovalModes.Default; // Standard ERC20 approvalApprovalModes.PermitSingle;ApprovalModes.PermitWitnessTransferFrom;ApprovalModes.PermitBatchWitnessTransferFrom;ApprovalModes.AutoPermit; // Recommended: auto-select best