whole_func_string: function getSignerClass() {
      var version;
      if (this.config.signatureVersion) {
        version = this.config.signatureVersion;
      } else {
        version = this.api.signatureVersion;
      }
      return AWS.Signers.RequestSigner.getVersion(version);
    }
func_code_string: function getSignerClass() {
      var version;
      if (this.config.signatureVersion) {
        version = this.config.signatureVersion;
      } else {
        version = this.api.signatureVersion;
      }
      return AWS.Signers.RequestSigner.getVersion(version);
    }
func_documentation_string: Gets the signer class for a given request
  @api private