import { GetContractResponse } from "../../transports/grpc/generated/canton/com/daml/ledger/api/v2/contract_service.js";
import { CreatedEvent, Event, ExercisedEvent } from "../../transports/grpc/generated/canton/com/daml/ledger/api/v2/event.js";
import { ActiveContract } from "../../transports/grpc/generated/canton/com/daml/ledger/api/v2/state_service.js";
import type { ContractResult, ExerciseResult } from "../../query/model-types.js";
import type { DamlTypeIdentity, DamlValueSource } from "./daml-type-descriptor.js";
export type DamlJsonEventRecord = Readonly<Record<string, unknown>>;
export type DamlCreatedEventSource = CreatedEvent | GetContractResponse | ActiveContract | ContractResult | Event | DamlJsonEventRecord;
export type DamlExercisedEventSource = ExercisedEvent | ExerciseResult | Event | DamlJsonEventRecord;
export type DamlCreatedEventMetadata = {
    readonly templateId: DamlTypeIdentity;
    /** The template's package NAME — the stable identity across smart-contract-upgrade versions. */
    readonly packageName?: string;
    readonly offset?: string;
    readonly nodeId?: number;
    readonly witnessParties?: readonly string[];
    readonly signatories?: readonly string[];
    readonly observers?: readonly string[];
    /** Canonical UTC ISO-8601 timestamp. */
    readonly createdAt?: string;
};
export type DamlExercisedEventMetadata = {
    readonly templateId: DamlTypeIdentity;
    /** The template's package NAME — the stable identity across smart-contract-upgrade versions. */
    readonly packageName?: string;
    readonly offset?: string;
    readonly nodeId?: number;
    readonly actingParties?: readonly string[];
    readonly witnessParties?: readonly string[];
    readonly lastDescendantNodeId?: number;
};
export type DamlNormalizedCreatedEvent = {
    readonly kind: "created";
    readonly contractId: string;
    readonly payload: DamlValueSource;
    readonly metadata: DamlCreatedEventMetadata;
};
export type DamlNormalizedExercisedEvent = {
    readonly kind: "exercised";
    readonly contractId: string;
    readonly choice: string;
    readonly argument: DamlValueSource;
    readonly result: DamlValueSource;
    readonly consuming: boolean;
    readonly metadata: DamlExercisedEventMetadata;
};
/** Recognizes Ledger API and PQS event sources as immutable DAML event shapes. */
export declare class DamlEventSourceNormalizer {
    private constructor();
    /** Recognizes a Ledger API create event, contract response/wrapper, or PQS/JSON contract record. */
    static normalizeCreated(source: DamlCreatedEventSource): DamlNormalizedCreatedEvent;
    /** Recognizes a Ledger API exercise event or a PQS/JSON exercise record. */
    static normalizeExercised(source: DamlExercisedEventSource): DamlNormalizedExercisedEvent;
}