/**
  * extract the mappings location from the storage
  * like { "<mapping_slot>" : { "<mapping-key1>": preimageOf1 }, { "<mapping-key2>": preimageOf2 }, ... }
  *
  * @param {Object} storage  - storage given by storage Viewer (basically a mapping hashedkey : {key, value})
  * @param {Array} corrections - used in case the calculated sha3 has been modified before SSTORE (notably used for struct in mapping).
  * @param {Function} callback  - callback
  * @return {Map} - solidity mapping location (e.g { "<mapping_slot>" : { "<mapping-key1>": preimageOf1 }, { "<mapping-key2>": preimageOf2 }, ... })
  */
export declare function decodeMappingsKeys(web3: any, storage: any, corrections: any): Promise<{}>;