import { Holding, TransferInstructionView } from './types.js';
import { type LedgerCommonSchemas } from '@canton-network/core-ledger-client-types';
type ArchivedEvent = LedgerCommonSchemas['ArchivedEvent'];
type CreatedEvent = LedgerCommonSchemas['CreatedEvent'];
type ExercisedEvent = LedgerCommonSchemas['ExercisedEvent'];
type JsInterfaceView = LedgerCommonSchemas['JsInterfaceView'];
export declare function hasInterface(interfaceId: string, event: ExercisedEvent | ArchivedEvent): boolean;
export declare function getInterfaceView(createdEvent: CreatedEvent): JsInterfaceView | null;
export type KnownInterfaceView = {
    type: 'Holding';
    viewValue: Holding;
} | {
    type: 'TransferInstruction';
    viewValue: TransferInstructionView;
};
export declare function getKnownInterfaceView(createdEvent: CreatedEvent): KnownInterfaceView | null;
/**
 * Use this when `createdEvent` is guaranteed to have an interface view because the ledger api filters
 * include it, and thus is guaranteed to be returned by the API.
 */
export declare function ensureInterfaceViewIsPresent(createdEvent: CreatedEvent, interfaceId: string): JsInterfaceView;
type Meta = {
    values: {
        [key: string]: string;
    };
} | undefined;
export declare function mergeMetas(event: ExercisedEvent, extra?: Meta): Meta;
export declare function getMetaKeyValue(key: string, meta: Meta): string | null;
/**
 * From the view of making it easy to build the display for the wallet,
 * we remove all metadata fields that were fully parsed, and whose content is reflected in the TypeScript structure.
 * Otherwise, the display code has to do so, overloading the user with superfluous metadata entries.
 */
export declare function removeParsedMetaKeys(meta: Meta): Meta;
export {};
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