import type { AppIdentifier } from '@finos/fdc3';
import { FullyQualifiedAppIdentifier } from '../contracts.js';
/**
 * compares two app identifiers and ensures that the app id and instance id are the same
 */
export declare function appInstanceEquals(appOne: AppIdentifier, appTwo: AppIdentifier): boolean;
/**
 * takes an appIdentifier or a string and returns an AppIdentifier
 * if an instanceId function is provided will populate the instanceId of the returned identifier
 */
export declare function resolveAppIdentifier(app: AppIdentifier): AppIdentifier;
export declare function resolveAppIdentifier(app: string | AppIdentifier): AppIdentifier;
export declare function resolveAppIdentifier(app: string | AppIdentifier, instanceId: () => string): FullyQualifiedAppIdentifier;
export declare function resolveAppIdentifier(app?: AppIdentifier): AppIdentifier | undefined;
export declare function resolveAppIdentifier(app?: string | AppIdentifier, instanceId?: () => string): AppIdentifier | undefined;
export declare function toUnqualifiedAppId(appId: string): string;