/**
 * Shared utilities for tool implementations.
 */
export type ToolResult = {
    [key: string]: unknown;
    content: Array<{
        type: "text";
        text: string;
    }>;
    isError?: boolean;
};
/**
 * Creates a successful tool response with JSON content.
 */
export declare function jsonResult(data: unknown): ToolResult;
/**
 * Creates an error tool response.
 */
export declare function errorResult(error: unknown): ToolResult;
/**
 * Wraps an async tool handler with standard error handling.
 */
export declare function withErrorHandling<TArgs>(handler: (args: TArgs) => Promise<ToolResult>): (args: TArgs) => Promise<ToolResult>;
/**
 * Attaches non-empty warnings to a result object. Tools surface partial
 * response and migration warnings this way rather than dropping them.
 */
export declare function withWarnings<T extends object>(result: T, warnings: string[]): T | (T & {
    warnings: string[];
});
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