dist/vue-resource.esm.js
function Headers(headers) {
    var this$1 = this;


    this.map = {};

    each(headers, function (value, name) { return this$1.append(name, value); });
}
function Headers(headers) {
    var this$1 = this;


    this.map = {};

    each(headers, function (value, name) { return this$1.append(name, value); });
}
function Headers ( headers ) { var this$1 = this ; this . map = { } ; each ( headers , function ( value , name ) { return this$1 . append ( name , value ) ; } ) ; }
HTTP Headers.
HTTP Headers .