jadler-core/src/main/java/net/jadler/AbstractRequestMatching.java
@Override
    public T havingHeaderEqualTo(final String name, final String value) {
        Validate.notNull(value, "value cannot be null");
        
        return havingHeader(name, hasItem(value));
    }
@Override
    public T havingHeaderEqualTo(final String name, final String value) {
        Validate.notNull(value, "value cannot be null");
        
        return havingHeader(name, hasItem(value));
    }
{@inheritDoc}