import { IModelHostOptions } from "../IModelHost";
/** Class for simple test timing */
export declare class Timer {
    private _label;
    private _start;
    constructor(label: string);
    end(): void;
}
/**
 * Disables native code assertions from firing. This can be used by tests that intentionally
 * test failing operations. If those failing operations raise assertions in native code, the test
 * would fail unexpectedly in a debug build. In that case the native code assertions can be disabled with
 * this class.
 */
export declare class DisableNativeAssertions implements Disposable {
    private _native;
    constructor();
    [Symbol.dispose](): void;
    /** @deprecated in 5.0 - will not be removed until after 2026-06-13. Use [Symbol.dispose] instead. */
    dispose(): void;
}
export declare class TestUtils {
    private static shouldLogToConsole;
    static getCacheDir(fallback?: string | undefined): string | undefined;
    /** Handles the startup of IModelHost.
     * The provided config is used and will override any of the default values used in this method.
     *
     * The default includes:
     * - cacheDir = path.join(__dirname, ".cache")
     * - allowSharedChannel = false;
     */
    static startBackend(config?: IModelHostOptions): Promise<void>;
    static shutdownBackend(): Promise<void>;
    static setupLogging(): void;
    private static initDebugLogLevels;
    static setupDebugLogLevels(): void;
    static resetDebugLogLevels(): void;
}
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