{
  "id": "meta-node-kind:span",
  "_kind": "MetaNodeKind",
  "_file": "catalog-meta/meta-registry/meta-registry-observability-pipeline.yaml",
  "_cluster": "catalog-meta",
  "attributes": {
    "displayName": "Span (meta)",
    "name": "Span",
    "cluster": "observability-pipeline",
    "prefix": "span",
    "origin": "universal",
    "purpose": "a single trace span emitted by an Effect / Invocation; the leaf unit of distributed tracing",
    "exampleCount": 0,
    "invariants": [
      "id starts with span:"
    ]
  },
  "outgoingEdges": [
    {
      "from": "meta-node-kind:span",
      "to": "meta-cluster:observability-pipeline",
      "kind": "in_cluster",
      "attributes": {}
    },
    {
      "from": "meta-node-kind:span",
      "to": "meta-attribute:span--id",
      "kind": "contains_meta_attribute",
      "attributes": {}
    },
    {
      "from": "meta-node-kind:span",
      "to": "meta-attribute:span--trace-id",
      "kind": "contains_meta_attribute",
      "attributes": {}
    },
    {
      "from": "meta-node-kind:span",
      "to": "meta-attribute:span--parent-span-id",
      "kind": "contains_meta_attribute",
      "attributes": {}
    },
    {
      "from": "meta-node-kind:span",
      "to": "meta-attribute:span--kind",
      "kind": "contains_meta_attribute",
      "attributes": {}
    }
  ],
  "incomingEdges": [
    {
      "from": "meta-cluster:observability-pipeline",
      "to": "meta-node-kind:span",
      "kind": "contains_meta_node_kind",
      "attributes": {}
    },
    {
      "from": "meta-attribute:span--id",
      "to": "meta-node-kind:span",
      "kind": "defined_on",
      "attributes": {}
    },
    {
      "from": "meta-attribute:span--trace-id",
      "to": "meta-node-kind:span",
      "kind": "defined_on",
      "attributes": {}
    },
    {
      "from": "meta-attribute:span--parent-span-id",
      "to": "meta-node-kind:span",
      "kind": "defined_on",
      "attributes": {}
    },
    {
      "from": "meta-attribute:span--kind",
      "to": "meta-node-kind:span",
      "kind": "defined_on",
      "attributes": {}
    },
    {
      "from": "meta-edge-kind:exports-to",
      "to": "meta-node-kind:span",
      "kind": "source_of_meta_edge",
      "attributes": {}
    },
    {
      "from": "meta-edge-kind:parented-by",
      "to": "meta-node-kind:span",
      "kind": "source_of_meta_edge",
      "attributes": {}
    },
    {
      "from": "meta-edge-kind:parented-by",
      "to": "meta-node-kind:span",
      "kind": "target_of_meta_edge",
      "attributes": {}
    },
    {
      "from": "meta-edge-kind:emitted-by-span",
      "to": "meta-node-kind:span",
      "kind": "source_of_meta_edge",
      "attributes": {}
    }
  ]
}