export declare class TestSetup {
    private static testDir;
    private static fileCounter;
    static setupTestEnvironment(): void;
    static getTestFilename(suffix?: string): string;
    static cleanupTestFile(filename: string): void;
    static cleanupTestEnvironment(): void;
    static mockWasmModule(): boolean;
    static createTestData(shape: number[]): Float64Array;
    static createTemperatureData(nlat: number, nlon: number): Float64Array;
    static assertArraysAlmostEqual(actual: Float64Array | Float32Array, expected: Float64Array | Float32Array, tolerance?: number): void;
}
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