/** Lowercase the keys of an object. @returns A new object with the keys lowercased. @example ``` import lowercaseKeys = require('lowercase-keys'); lowercaseKeys({FOO: true, bAr: false}); //=> {foo: true, bar: false} ``` */ declare function lowercaseKeys(object: {[key: string]: T}): {[key: string]: T}; export = lowercaseKeys;