import type { Application, ApplicationLoopOptions, ApplicationStepOptions, ApplicationWindow, BackendExplanation, LoopBackend } from '@flighthq/types/contract';
export declare function attachApplicationExit(app: Application): void;
export declare function attachApplicationLifecycle(app: Application, win: ApplicationWindow): void;
export declare function createApplication(): Application;
export declare function createWebLoopBackend(): LoopBackend;
export declare function detachApplicationExit(app: Application): void;
export declare function disposeApplication(app: Application): void;
export declare function enableApplicationLifecycleSignals(app: Application): void;
export declare function explainLoopBackend(): BackendExplanation;
export declare function forEachApplicationWindow(app: Readonly<Application>, fn: (win: ApplicationWindow) => void): void;
export declare function getApplicationFrameRate(app: Readonly<Application>): number;
export declare function getApplicationMainWindow(app: Readonly<Application>): ApplicationWindow | null;
export declare function getApplicationWindows(app: Readonly<Application>): readonly ApplicationWindow[];
export declare function getLoopBackend(): LoopBackend | null;
export declare function installLoopHostBackend(backend: LoopBackend): void;
export declare function isApplicationRunning(app: Readonly<Application>): boolean;
export declare function observeLoopHostResult(operation: 'cancelFrame' | 'requestFrame', succeeded: boolean): void;
export declare function pauseApplicationLoop(app: Application): void;
export declare function registerApplicationWindow(app: Application, win: ApplicationWindow): void;
export declare function resetLoopBackendForTest(): void;
export declare function resumeApplicationLoop(app: Application): void;
export declare function setApplicationMainWindow(app: Application, win: ApplicationWindow): void;
export declare function setLoopBackend(backend: LoopBackend | null): void;
export declare function startApplicationLoop(app: Application, options?: Readonly<ApplicationLoopOptions>): void;
export declare function stepApplicationLoop(app: Application, deltaTime: number, options?: Readonly<ApplicationStepOptions>): void;
export declare function stopApplicationLoop(app: Application): void;
export declare function unregisterApplicationWindow(app: Application, win: ApplicationWindow): void;
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