// caclulate parameterDisplacement before calculating new parameterCount
            this.parameterDisplacement += this.parameterCount;

            int available = this.maxBufferSize - this.parameterOffset - this.pad1;
            this.parameterCount = Math.min(this.totalParameterCount - this.parameterDisplacement, available);
            available -= this.parameterCount;

            parameterDisplacement += parameterCount;

            int available = maxBufferSize - parameterOffset - pad;
            parameterCount = Math.min( totalParameterCount - parameterDisplacement, available);
            available -= parameterCount;

            dataOffset = parameterOffset + parameterCount;
            pad1 = dataOffset % PADDING_SIZE;

        pad = pad1 = 0;
        int n;

        if( parameterCount > 0 ) {
            bufferIndex += pad = parameterOffset - ( bufferIndex - headerStart );
            System.arraycopy( buffer, bufferIndex, txn_buf,
                            bufParameterStart + parameterDisplacement, parameterCount );
            bufferIndex += parameterCount;
        }
        if( dataCount > 0 ) {

        this.pad = this.pad1 = 0;
        if ( this.parameterCount > 0 ) {
            bufferIndex += this.pad = this.parameterOffset - ( bufferIndex - this.headerStart );
            System.arraycopy(buffer, bufferIndex, this.txn_buf, this.bufParameterStart + this.parameterDisplacement, this.parameterCount);
            bufferIndex += this.parameterCount;
        }
        if ( this.dataCount > 0 ) {

        MethodHandle spreader = original.asSpreader(Object[].class, original.type().parameterCount());
        MethodHandle decorated = MethodHandles.insertArguments(INTERCEPTOR, 0, this, spreader, flags, caller.lookupClass().getName());
        return decorated.asCollector(Object[].class, original.type().parameterCount()).asType(original.type());
    }

            dstIndex += 4;
            writeInt4( maxDataCount, dst, dstIndex );
            dstIndex += 4;
        }
        writeInt4( parameterCount, dst, dstIndex );
        dstIndex += 4;
        writeInt4(( parameterCount == 0 ? 0 : parameterOffset ), dst, dstIndex );
        dstIndex += 4;
        if (command == SMB_COM_NT_TRANSACT_SECONDARY) {

            dstIndex += 4;
            SMBUtil.writeInt4(this.maxDataCount, dst, dstIndex);
            dstIndex += 4;
        }
        SMBUtil.writeInt4(this.parameterCount, dst, dstIndex);
        dstIndex += 4;
        SMBUtil.writeInt4( ( this.parameterCount == 0 ? 0 : this.parameterOffset ), dst, dstIndex);
        dstIndex += 4;
        if ( this.getCommand() == SMB_COM_NT_TRANSACT_SECONDARY ) {

        if( bufDataStart == 0 ) {
            bufDataStart = totalParameterCount;
        }
        bufferIndex += 4;
        totalDataCount = readInt4( buffer, bufferIndex );
        bufferIndex += 4;
        parameterCount = readInt4( buffer, bufferIndex );
        bufferIndex += 4;
        parameterOffset = readInt4( buffer, bufferIndex );
        bufferIndex += 4;
        parameterDisplacement = readInt4( buffer, bufferIndex );

        }

        val parameterCount = declaration.valueParameters.size + (if (declaration.isExtensionDeclaration()) 1 else 0)

        val function = when {
            declaration.hasModifier(KtTokens.SUSPEND_KEYWORD) -> analysisContext.builtIns.getSuspendFunction(parameterCount)
            else -> analysisContext.builtIns.getFunction(parameterCount)
        }

    private
    fun writeReplaceMethodFrom(candidates: List<Method>) =
        candidates.firstAccessibleMatchingMethodOrNull {
            !Modifier.isStatic(modifiers)
                && parameterCount == 0
                && returnType == java.lang.Object::class.java
                && name == "writeReplace"
        }

    private
    fun writeObjectMethodHierarchyFrom(candidates: List<Method>) = candidates