/**
 * Ensures that the interaction tx is a valid transfer transaction
 *
 * @param tokenID The contract ID of the transferred token
 * @param transferTx The ID of the transfer interaction transaction
 * @param contractID The ID of this contract
 */
export declare const ensureValidTransfer: (tokenID: string, transferTx: string) => Promise<void>;
/**
 * Ensures that the interaction is valid
 *
 * @param contractID The contract ID to match the interaction with
 * @param interactionID The ID of the interaction to check
 */
export declare const ensureValidInteraction: (contractID: string, interactionID: string) => Promise<void>;
/**
 * Returns if a string is a valid Arweave address or ID
 *
 * @param addr String to validate
 *
 * @returns Valid address or not
 */
export declare const isAddress: (addr: string) => boolean;