message: Fix bug of empty parameter type
diff: @@ -249,7 +249,7 @@ function generateEncodeFunctionDataOverload(fn: FunctionDeclaration): string {
  if (fn.inputs.length) {
  methodInputs.push(`values: [${fn.inputs.map((input) => generateInputType(input.type)).join(', ')}]`)
  } else {
  - methodInputs.push('values?: void')
  + methodInputs.push('values?: undefined')
  }
  return `encodeFunctionData(${methodInputs.join(', ')}): string;`
  