Eliminate dependence on most uniswap functions

lib_sol8/v3-periphery/contracts/interfaces/INonfungibleTokenPositionDescriptor.sol

@@ -0,0 +1,17 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+pragma solidity >=0.5.0;
+
+import './INonfungiblePositionManager.sol';
+
+/// @title Describes position NFT tokens via URI
+interface INonfungibleTokenPositionDescriptor {
+    /// @notice Produces the URI describing a particular token ID for a position manager
+    /// @dev Note this URI may be a data: URI with the JSON contents directly inlined
+    /// @param positionManager The position manager for which to describe the token
+    /// @param tokenId The ID of the token for which to produce a description, which may not be valid
+    /// @return The URI of the ERC721-compliant metadata
+    function tokenURI(INonfungiblePositionManager positionManager, uint256 tokenId)
+        external
+        view
+        returns (string memory);
+}