import { BrowserTypes, Context } from '@finos/fdc3';
import { IMSHostManifest, WebAppDetails } from '../app-directory.contracts.js';
import { FullyQualifiedAppId, FullyQualifiedAppIdentifier, IOpenApplicationStrategy, IRootOutgoingMessageEnvelope, ISelectApplicationStrategy } from '../contracts.js';
export declare function isFullyQualifiedAppIdentifier(value: any): value is FullyQualifiedAppIdentifier;
export declare function isNonEmptyArray<T>(value?: T[]): value is [T, ...T[]];
export declare function isChannel(value?: BrowserTypes.Channel | Context | void): value is BrowserTypes.Channel;
export declare function isContext(value?: BrowserTypes.Channel | Context | void): value is Context;
export declare function isFullyQualifiedAppId(value: any): value is FullyQualifiedAppId;
export declare function isWebAppDetails(value: any): value is WebAppDetails;
export declare function isRootOutgoingMessageEnvelope(value: any): value is IRootOutgoingMessageEnvelope;
/**
 * type predicate to determine if a Host Manifest is an MS Host Manifest
 * Note: all properties on IMSHostManifest are optional, so we can only check for presence and type of known properties
 */
export declare function isIMSHostManifest(value: any): value is IMSHostManifest;
/**
 * type predicate to determine if a strategy is an IOpenApplicationStrategy
 */
export declare function isOpenApplicationStrategy(value: any): value is IOpenApplicationStrategy;
/**
 * type predicate to determine if a strategy is an ISelectApplicationStrategy
 */
export declare function isSelectApplicationStrategy(value: any): value is ISelectApplicationStrategy;
export declare function isDefined<T>(value: T | null | undefined): value is T;