import { z } from 'zod';
/**
 * Additional properties describing a Tool to clients.
 *
 * NOTE: all properties in ToolAnnotations are **hints**.
 * They are not guaranteed to provide a faithful description of
 * tool behavior (including descriptive properties like `title`).
 *
 * Clients should never make tool use decisions based on ToolAnnotations
 * received from untrusted servers.
 */
export declare const toolAnnotationsSchema: z.ZodObject<{
    /**
     * A human-readable title for the tool.
     */
    title: z.ZodOptional<z.ZodString>;
    /**
     * If true, the tool does not modify its environment.
     *
     * Default: false
     */
    readOnlyHint: z.ZodOptional<z.ZodBoolean>;
    /**
     * If true, the tool may perform destructive updates to its environment.
     * If false, the tool performs only additive updates.
     *
     * (This property is meaningful only when `readOnlyHint == false`)
     *
     * Default: true
     */
    destructiveHint: z.ZodOptional<z.ZodBoolean>;
    /**
     * If true, calling the tool repeatedly with the same arguments
     * will have no additional effect on the its environment.
     *
     * (This property is meaningful only when `readOnlyHint == false`)
     *
     * Default: false
     */
    idempotentHint: z.ZodOptional<z.ZodBoolean>;
    /**
     * If true, this tool may interact with an "open world" of external
     * entities. If false, the tool's domain of interaction is closed.
     * For example, the world of a web search tool is open, whereas that
     * of a memory tool is not.
     *
     * Default: true
     */
    openWorldHint: z.ZodOptional<z.ZodBoolean>;
}, "strip", z.ZodTypeAny, {
    title?: string | undefined;
    readOnlyHint?: boolean | undefined;
    destructiveHint?: boolean | undefined;
    idempotentHint?: boolean | undefined;
    openWorldHint?: boolean | undefined;
}, {
    title?: string | undefined;
    readOnlyHint?: boolean | undefined;
    destructiveHint?: boolean | undefined;
    idempotentHint?: boolean | undefined;
    openWorldHint?: boolean | undefined;
}>;
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