/** Shared pure formatting helpers for AFT host plugins. */
/** Format bridge failure envelopes without dropping structured error data. */
export declare function formatBridgeErrorMessage(command: string, response: Record<string, unknown>, params?: Record<string, unknown>): string;
export interface ReadFooterOptions {
    /** Host-specific parameter hint, for example `startLine/endLine` or `offset/limit`. */
    rangeHint: string;
}
/** Build the navigation footer for a clamped `read` response. */
export declare function formatReadFooter(agentSpecifiedRange: boolean, data: Record<string, unknown>, options: ReadFooterOptions): string;
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