export declare function isPlaywrightToolName(toolName: string): boolean;
export declare function ensureBrowserForTool(options: {
    toolName: string;
    browserBackend: string | undefined;
    playwriterConnectionsResetThisTurn: boolean;
    playwriterRelayHost?: string;
    playwriterRelayPort?: number;
}): Promise<{
    playwriterConnectionsResetThisTurn: boolean;
}>;
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