public RequestTemplate body(String bodyText) {
    this.body(Request.Body.create(bodyText.getBytes(this.charset), this.charset));
    return this;
  }
Set the Body for this request. Charset is assumed to be UTF_8. Data must be encoded.

@param bodyText to send.
@return a RequestTemplate for chaining.
core/src/main/java/feign/RequestTemplate.java