public SAML2MetadataResolver getIdentityProviderMetadataResolver() {
        return Objects.requireNonNullElse(identityProviderMetadataResolver, defaultIdentityProviderMetadataResolverSupplier);
    }
<p>Getter for the field <code>identityProviderMetadataResolver</code>.</p>

@return a {@link SAML2MetadataResolver} object
pac4j-saml/src/main/java/org/pac4j/saml/config/SAML2Configuration.java