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import lowerCase from "./lowerCase.ts";
/** * Convert a `string` to lower case with the first character in upper case. * * Example: * * ```ts * lowerFirstCase("test string"); * //=> "Test string" * ``` */export default function (str: string, locale?: string): string {  if (str == null) {    return "";  }
  str = String(str);
  return lowerCase(str.charAt(0), locale) + str.substr(1);}