{
	micronodeAddressLike: nodes(filter: {
	    schema: {is: folder}
	    fields: {
	      folder: {
	        micronode: {micronode: {microschema: {is: vcard} fields: { vcard: { address: { equals: "Somewhere" } } }}}
	      }
	    }
	  }) {
	    # [$.data.micronodeAddressLike.elements.length()=1]
	    elements {
	      uuid
	      schema {
	        name
	      }
	    }
	}
	
	micronodeIsNull: nodes(filter: {
	    schema: {is: folder}
	    fields: {
	      folder: {
	        micronode: {isNull:true}
	      }
	    }
	  }) {
	    # [$.data.micronodeIsNull.elements.length()=8]
	    elements {
	      uuid
	      schema {
	        name
	      }
	    }
	}
}
# [$.errors=<is-undefined>]