Types

Core event types

• NodeId - Branded node identifier used to separate same-node and cross-node reasoning.
• EventId - Branded event identifier used for duplicate and reference checks.
• HlcTimestamp - Serialized hybrid logical clock string.
• ValidatedHlcTimestamp - Branded HLC timestamp that has passed validation.
• EventEnvelope<T = unknown> - Public shape for an input event and its ordering metadata.
• ValidatedEventEnvelope<T = unknown> - Validated event envelope safe for downstream ordering logic.
• CausalOrdering - Pairwise ordering result such as before, after, equal, or unknown.
• CausalEvidence - Machine-readable evidence explaining why one event was ordered relative to another.

Translation types

• TranslatedEventEnvelope<T = unknown> - Readonly translated event-envelope shape returned by the raw-record ingress layer.
• TranslateMapper<TInput, TValue> - Synchronous mapper shape used by translateBatch() field extractors.
• TranslateTimestampInput - Accepted raw timestamp input for translation: bigint, safe integer number, canonical integer string, or Date for explicit rejection handling.
• TranslateBatchConfig<TInput, TPayload = TInput> - Mapper configuration for translating raw records into event envelopes.
• TranslateBatchPolicy - Policy configuration controlling how translation failures are surfaced or failed.
• TranslationAnomalyCode - Stable code describing a translation-time mapping or coercion failure.
• TranslationAnomalyDomain - Stable top-level domain for translation anomaly classification.
• TranslationAnomalyFamily - Stable family split between mapping and structural translation failures.
• TranslationAnomalyCategory - Stable category used for machine-readable translation anomaly handling.
• TranslationRecordFailureAction - Fail-fast or warning action for record-level translation failures.
• TranslationOptionalFieldAction - Handling action for optional-field translation failures, including continue behavior where omission is honest.
• TranslationPolicyKey - Stable policy selector describing the translation failure class being handled.
• TranslationPolicyDecision - Resolved policy decision attached to structured translation anomalies.
• TranslationField - Stable field label used in structured translation anomalies.
• TranslationMapperName - Stable mapper-function label used in structured translation anomalies.
• TranslationAnomalyStage - Translation pipeline stage where a structured anomaly was raised.
• TranslationActualValueType - Normalized runtime value classification attached to translation anomalies.
• TranslationDiagnosticSource - Stable source split between mapping and structural translation failures.
• TranslationDiagnosticRecord<TInput = unknown> - Record-local translation diagnostic context including index and original input.
• TranslationDiagnosticOrdering - Deterministic ordering metadata attached to emitted translation anomalies.
• TranslationFieldReferenceKind - Stable field-reference kind used by translation diagnostics.
• TranslationFieldReference - Machine-readable field reference attached to translation diagnostics.
• TranslationAnomalyClassification - Stable machine-readable classification attached to translation anomalies.
• TranslationDiagnosticLocation - Structured field and mapper location metadata for translation diagnostics.
• TranslationDiagnosticContract - Contract-facing detail attached to translation diagnostics.
• TranslationDiagnostic<TInput = unknown> - Nested machine-readable diagnostic object attached to translation anomalies.
• TranslationAnomaly<TInput = unknown> - Structured translation failure record carrying mapper, field, stage, and actual-value metadata.
• TranslateBatchResult<TPayload = unknown, TInput = unknown> - Top-level translation result containing accepted envelopes and structured anomalies.

Validation and anomaly types

• ValidationErrorCode - Stable code describing a validation failure category.
• ValidationWarningCode - Stable code describing a non-fatal validation warning.
• ValidationError - Structured validation failure entry.
• ValidationWarning - Structured non-fatal validation warning entry.
• ValidationSuccess<TValue> - Successful validation wrapper carrying the validated value.
• ValidationFailure - Failed validation wrapper carrying errors and warnings.
• ValidationResult<TValue = never> - Discriminated union returned by validation helpers.
• AnomalyType - Stable anomaly category emitted by ordering and analysis helpers.
• EventAnomaly<T = unknown> - Structured anomaly record tied to one or more events.

Ordering result types

• OrderedEvent<T = unknown> - Ordered event entry with confidence, basis, and optional causal evidence.
• OrderStats - Summary counts describing the outcome of a bounded ordering run.
• OrderResult<T = unknown> - Top-level bounded ordering result containing ordered events, anomalies, and stats.
• TieBreaker<T> - Deterministic comparison function used when stronger ordering is absent.
• OrderOptions<T> - Options controlling bounded ordering behavior and anomaly handling.

Inspection types

• OrderedEventExplanation<T = unknown> - Compact explanation payload describing why an ordered event landed where it did.
• OrderedEventInspection<T = unknown> - Compact event-level inspection snapshot derived from an ordered result entry.
• InspectedEventAnomaly<T = unknown> - Compact anomaly view used by inspection helpers for operator-facing output.
• OrderedEventCounts<T = unknown> - Grouped inspection counts by order basis and confidence level.
• OrderResultInspection<T = unknown> - Payload-agnostic inspection snapshot returned by inspectOrderResult().
• OrderBatchInspection<T = unknown> - Payload-agnostic inspection snapshot returned by inspectOrderBatch().
• EventAnomalySummary - Grouped event-anomaly totals by type and severity.
• TranslationAnomalySummary - Grouped translation-anomaly totals by code, field, mapper, stage, and policy action.

Extension-policy boundary types

• PolicyVisibilityKind - Audit-output category used at the core-to-policy boundary for higher-layer decisions.
• PolicyVisibilityRecord - Operator-visible audit record describing what a higher-layer policy did without mutating payloads silently.
• ExtensionPolicyAction - Payload-agnostic contradiction-policy action shared across boundary-level policy hooks.
• CausalContradictionCandidate<T = unknown> - Payload-agnostic contradiction candidate surfaced at the core-to-policy boundary.
• CausalContradictionPolicyResult - Result shape for contradiction-policy evaluation with explicit operator visibility.
• CausalContradictionPolicy<T = unknown, TContext = unknown> - Policy interface for contradiction handling outside the core payload contract.
• EntityForkCandidate<T = unknown, TIdentity = unknown> - Payload-agnostic entity-fork candidate supplied by higher-layer identity logic.
• ForkResolutionAction - Fork-policy action set that avoids implicit payload merging inside the core.
• ForkResolutionPolicyResult - Result shape for fork-resolution decisions with explicit visibility output.
• ForkResolutionPolicy<T = unknown, TIdentity = unknown, TContext = unknown> - Policy interface for entity-fork handling outside the core payload contract.
• SemanticDedupeCandidate<T = unknown> - Payload-agnostic semantic-dedupe candidate surfaced at the core-to-policy boundary across different identifiers.
• SemanticDedupeAction - Dedupe-policy action set that preserves explicit operator-facing visibility.
• SemanticDedupePolicyResult - Result shape for semantic-dedupe decisions including retained and suppressed IDs.
• SemanticDedupePolicy<T = unknown, TContext = unknown> - Policy interface for semantic dedupe without forcing payload-aware merge logic into the core.

Streaming types

• CorrectionScope - Indicates whether a stream correction is local to a batch or broader in scope.
• CorrectionNotice - Structured notice attached to correction-capable stream batches.
• StreamAnomalyHorizon - Anomaly carry model for stream windows and emitted history.
• LateArrivalPolicy - Policy controlling how late stream events are surfaced or rejected.
• WatermarkSignal - Structured watermark progress signal returned by watermark helpers.
• WatermarkFunction<T> - Function shape used to derive stream watermark progress.
• StreamOrderOptions<T> - Options controlling streaming ordering, watermarking, and correction behavior.
• StreamOrderBatch<T = unknown> - Structured batch emitted by streaming ordering.

The confidence model used in ordered output is currently: proven, derived, fallback, unknown.