How to use the @pixi/core.BatchTextureArray function in @pixi/core

if (nextTexture._batchEnabled !== TICK)
                {
                    if (textureCount === MAX_TEXTURES)
                    {
                        TICK++;

                        textureCount = 0;

                        if (currentGroup.size > 0)
                        {
                            currentGroup = DRAW_CALL_POOL.pop();
                            if (!currentGroup)
                            {
                                currentGroup = new BatchDrawCall();
                                currentGroup.textures = new BatchTextureArray();
                            }
                            this.drawCalls.push(currentGroup);
                        }

                        currentGroup.start = index;
                        currentGroup.size = 0;
                        currentGroup.textures.count = 0;
                        currentGroup.type = drawMode;
                    }

                    // TODO add this to the render part..
                    nextTexture.touched = 1;// touch;
                    nextTexture._batchEnabled = TICK;
                    nextTexture._batchLocation = textureCount;
                    nextTexture.wrapMode = 10497;

{
            this.drawCalls[i].textures.length = 0;
            DRAW_CALL_POOL.push(this.drawCalls[i]);
        }

        this.drawCalls.length = 0;

        const colors = this.colors;
        const textureIds = this.textureIds;

        let currentGroup =  DRAW_CALL_POOL.pop();

        if (!currentGroup)
        {
            currentGroup = new BatchDrawCall();
            currentGroup.textures = new BatchTextureArray();
        }
        currentGroup.textures.count = 0;
        currentGroup.start = 0;
        currentGroup.size = 0;
        currentGroup.type = DRAW_MODES.TRIANGLES;

        let textureCount = 0;
        let currentTexture = null;
        let textureId = 0;
        let native = false;
        let drawMode = DRAW_MODES.TRIANGLES;

        let index = 0;

        this.drawCalls.push(currentGroup);