ByteOrderMark.UTF_32BE, ByteOrderMark.UTF_32LE, BOM_UTF_7);
            if (bomIn.hasBOM()) {
                if (logger.isDebugEnabled()) {
                    logger.debug("BOM: {}", bomIn.getBOMCharsetName());
                }
                return bomIn.getBOMCharsetName();
            }

tructor(e,t={}){if(e===null||typeof e=="undefined"||typeof e=="object"&&!e.toString)throw new Error(`PostCSS received ${e} instead of CSS string`);if(this.css=e.toString(),this.css[0]==="\uFEFF"||this.css[0]==="\uFFFE"?(this.hasBOM=!0,this.css=this.css.slice(1)):this.hasBOM=!1,t.from&&(!tc||/^\w+:\/\//.test(t.from)||Is(t.from)?this.file=t.from:this.file=Ds(t.from)),tc&&$0){let r=new N0(this.css,t);if(r.text){this.map=r;let n=r.consumer().file;!this.file&&n&&(this.file=this.mapResolve(n))}}this.f...