Function newCB

ClipCascade_Mobile/src/StartForegroundService.js:136–138

        //check if clipboard content changed
        const newCB = async hcb => {
          return previous_clipboard_content_hash !== hcb;
        };

        const calculateBase64DecodedLength = async base64Str => {
          // Calculates the decoded byte length of a Base64-encoded string.