How to use the @pixi/settings.settings.SPRITE_MAX_TEXTURES function in @pixi/settings

contextChange()
    {
        const gl = this.renderer.gl;

        if (settings.PREFER_ENV === ENV.WEBGL_LEGACY)
        {
            this.MAX_TEXTURES = 1;
        }
        else
        {
            // step 1: first check max textures the GPU can handle.
            this.MAX_TEXTURES = Math.min(
                gl.getParameter(gl.MAX_TEXTURE_IMAGE_UNITS),
                settings.SPRITE_MAX_TEXTURES);

            // step 2: check the maximum number of if statements the shader can have too..
            this.MAX_TEXTURES = checkMaxIfStatementsInShader(
                this.MAX_TEXTURES, gl);
        }

        this._shader = this.shaderGenerator.generateShader(this.MAX_TEXTURES);

        // we use the second shader as the first one depending on your browser
        // may omit aTextureId as it is not used by the shader so is optimized out.
        for (let i = 0; i < this._packedGeometryPoolSize; i++)
        {
            /* eslint-disable max-len */
            this._packedGeometries[i] = new (this.geometryClass)(false, this.attributeDefinitions);
        }
    }

contextChange()
    {
        const gl = this.renderer.gl;

        if (settings.PREFER_ENV === ENV.WEBGL_LEGACY)
        {
            this.MAX_TEXTURES = 1;
        }
        else
        {
            // step 1: first check max textures the GPU can handle.
            this.MAX_TEXTURES = Math.min(
                gl.getParameter(gl.MAX_TEXTURE_IMAGE_UNITS),
                settings.SPRITE_MAX_TEXTURES);

            // step 2: check the maximum number of if statements the shader can have too..
            this.MAX_TEXTURES = checkMaxIfStatementsInShader(
                this.MAX_TEXTURES, gl);
        }

        this._shader = this.shaderGenerator.generateShader(this.MAX_TEXTURES);

        // we use the second shader as the first one depending on your browser
        // may omit aTextureId as it is not used by the shader so is optimized out.
        for (let i = 0; i < this._packedGeometryPoolSize; i++)
        {
            /* eslint-disable max-len */
            this._packedGeometries[i] = new (this.geometryClass)();
        }

contextChange()
    {
        const gl = this.renderer.gl;

        if (settings.PREFER_ENV === ENV.WEBGL_LEGACY)
        {
            this.MAX_TEXTURES = 1;
        }
        else
        {
            // step 1: first check max textures the GPU can handle.
            this.MAX_TEXTURES = Math.min(gl.getParameter(gl.MAX_TEXTURE_IMAGE_UNITS), settings.SPRITE_MAX_TEXTURES);

            // step 2: check the maximum number of if statements the shader can have too..
            this.MAX_TEXTURES = checkMaxIfStatementsInShader(this.MAX_TEXTURES, gl);
        }

        // generate generateMultiTextureProgram, may be a better move?
        this.shader = generateMultiTextureShader(gl, this.MAX_TEXTURES);

        // we use the second shader as the first one depending on your browser may omit aTextureId
        // as it is not used by the shader so is optimized out.
        for (let i = 0; i < this.vaoMax; i++)
        {
            const buffer = new Buffer(null, false);

            /* eslint-disable max-len */
            this.vaos[i] = new Geometry()