export type AppRuntime = "web-app" | "phone-webview";
export type MalformedRaftJsonDiagnostic = {
    systemType: string;
    topic: string;
    connectionPhase: string;
    payloadLength: number;
    prefixHex: string;
    frameTimeMs?: number;
    error?: string;
};
export declare function captureMalformedRaftJsonDiagnostic(detail: MalformedRaftJsonDiagnostic, now?: number): boolean;
export declare function initializeObservability(): boolean;
export declare function isObservabilityTransportUrl(url: string): boolean;
export declare function captureLoggerError(tag: string, messages: unknown[]): void;
export declare function addLoggerWarningBreadcrumb(tag: string, messages: unknown[]): void;