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pragma solidity ^0.4.19;
// File: contracts/erc/erc721/IERC721Base.sol
/// @title ERC-721 Non-Fungible Token Standard
/// @dev See https://github.com/ethereum/EIPs/blob/master/EIPS/eip-721.md
///  Note: the ERC-165 identifier for this interface is 0x6466353c
interface IERC721Base /* is IERC165  */ {
  /// @dev This emits when ownership of any NFT changes by any mechanism.
  ///  This event emits when NFTs are created (`from` == 0) and destroyed
  ///  (`to` == 0). Exception: during contract creation, any number of NFTs
  ///  may be created and assigned without emitting Transfer. At the time of
  ///  any transfer, the approved address for that NFT (if any) is reset to none.
  event Transfer(address indexed _from, address indexed _to, uint256 _tokenId);
  /// @dev This emits when the approved address for an NFT is changed or
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pragma solidity ^0.4.19;
// File: contracts/erc/erc165/IERC165.sol
/// @title ERC-165 Standard Interface Detection
/// @dev See https://github.com/ethereum/EIPs/blob/master/EIPS/eip-165.md
interface IERC165 {
  /// @notice Query if a contract implements an interface
  /// @param interfaceID The interface identifier, as specified in ERC-165
  /// @dev Interface identification is specified in ERC-165. This function
  ///  uses less than 30,000 gas.
  /// @return `true` if the contract implements `interfaceID` and
  ///  `interfaceID` is not 0xffffffff, `false` otherwise
  function supportsInterface(bytes4 interfaceID) external view returns (bool);
}
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