lib/collection/header.js
function (header) {
        if (!_.isObject(header)) { return E; }
        return header.key + HEADER_KV_SEPARATOR + SPC + header.value;
    }
function (header) {
        if (!_.isObject(header)) { return E; }
        return header.key + HEADER_KV_SEPARATOR + SPC + header.value;
    }
function ( header ) { if ( ! _ . isObject ( header ) ) { return E ; } return header . key + HEADER_KV_SEPARATOR + SPC + header . value ; }
Unparses a single Header.

@param {String} header
@returns {String}
Unparses a single Header .