export interface ScreenMetrics {
    rawWidth: number;
    rawHeight: number;
    deliveredWidth: number;
    deliveredHeight: number;
    downscale: number;
    pointWidth?: number;
    pointHeight?: number;
    scale?: number;
    capturedAt: number;
}
export interface DeviceMemoryEntry {
    identifier: string;
    name: string;
    platform: "ios" | "android";
    appId?: string;
    firstSeenAt: number;
    lastUsedAt: number;
    useCount: number;
    screenMetrics?: ScreenMetrics;
}
export interface RecordDeviceInput {
    identifier: string;
    name: string;
    platform: "ios" | "android";
    appId?: string;
}
export interface ProjectMemoryOpts {
    cwd?: string;
    baseDir?: string;
    now?: number;
}
export declare function mergeDeviceLists(a: DeviceMemoryEntry[], b: DeviceMemoryEntry[]): DeviceMemoryEntry[];
export declare function recordDevice(input: RecordDeviceInput, opts?: ProjectMemoryOpts): void;
export declare function recordScreenMetrics(identifier: string, metrics: ScreenMetrics, opts?: ProjectMemoryOpts): void;
export declare function listDevices(opts?: ProjectMemoryOpts): DeviceMemoryEntry[];
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