public DescribeVpcEndpointServicePermissionsResult withAllowedPrincipals(AllowedPrincipal... allowedPrincipals) {
        if (this.allowedPrincipals == null) {
            setAllowedPrincipals(new com.amazonaws.internal.SdkInternalList<AllowedPrincipal>(allowedPrincipals.length));
        }
        for (AllowedPrincipal ele : allowedPrincipals) {
            this.allowedPrincipals.add(ele);
        }
        return this;
    }
<p>
Information about the allowed principals.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setAllowedPrincipals(java.util.Collection)} or {@link #withAllowedPrincipals(java.util.Collection)} if
you want to override the existing values.
</p>

@param allowedPrincipals
       Information about the allowed principals.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/DescribeVpcEndpointServicePermissionsResult.java