/**
 * Patch semantics: unset fields are left unchanged, so this is the operation
 * for changing a grant's role without restating its scope. For a whole
 * replacement, see update_acl_rule.
 *
 * Destructive on the standing-side-effect precedent of `gmail/create_filter`
 * and `sheets/add_protected_range` rather than the rubric's update default:
 * it changes who can reach a calendar, the access persists until revoked, and
 * it can escalate a scope to `owner`.
 *
 * Open-world and not idempotent on the precedent of the sends
 * (`gmail/send_message`, `gmail/send_draft`): `sendNotifications` defaults to
 * true at Google, so replaying identical arguments can emit another round
 * of sharing notifications,
 * and `src/lib/server.ts` reads `idempotentHint` as permission to silently
 * retry after a credential refresh. Access removal sends no sharing
 * notifications.
 */
export declare const patch_acl_rule: import("../../../lib/operation.js").Operation<import("@googleapis/calendar").calendar_v3.Calendar, import("zod").ZodObject<{
    ruleId: import("zod").ZodString;
    role: import("zod").ZodOptional<import("zod").ZodEnum<{
        freeBusyReader: "freeBusyReader";
        none: "none";
        owner: "owner";
        reader: "reader";
        writer: "writer";
        writerWithoutPrivateAccess: "writerWithoutPrivateAccess";
    }>>;
    scope: import("zod").ZodOptional<import("zod").ZodDiscriminatedUnion<[import("zod").ZodObject<{
        type: import("zod").ZodLiteral<"default">;
    }, import("zod/v4/core").$strict>, import("zod").ZodObject<{
        type: import("zod").ZodEnum<{
            domain: "domain";
            group: "group";
            user: "user";
        }>;
        value: import("zod").ZodString;
    }, import("zod/v4/core").$strict>], "type">>;
    calendarId: import("zod").ZodOptional<import("zod").ZodString>;
    sendNotifications: import("zod").ZodOptional<import("zod").ZodBoolean>;
}, import("zod/v4/core").$strict>, import("zod").ZodObject<{
    id: import("zod").ZodString;
    role: import("zod").ZodOptional<import("zod").ZodEnum<{
        freeBusyReader: "freeBusyReader";
        none: "none";
        owner: "owner";
        reader: "reader";
        writer: "writer";
        writerWithoutPrivateAccess: "writerWithoutPrivateAccess";
    }>>;
    scope: import("zod").ZodOptional<import("zod").ZodDiscriminatedUnion<[import("zod").ZodObject<{
        type: import("zod").ZodLiteral<"default">;
    }, import("zod/v4/core").$strict>, import("zod").ZodObject<{
        type: import("zod").ZodEnum<{
            domain: "domain";
            group: "group";
            user: "user";
        }>;
        value: import("zod").ZodString;
    }, import("zod/v4/core").$strict>], "type">>;
}, import("zod/v4/core").$strip>>;
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