/**
 * Mutate - Schema validation and data transformation
 */
export declare class Mutate {
}
type MutationOp = 'insert' | 'update' | 'upsert' | 'delete';
type MutationRequest = {
    path: string;
    op: MutationOp;
    body?: unknown;
    agent: {
        kind: 'iframe';
        origin: string;
        bundle_sha256: string;
    } | {
        kind: 'inline';
        id: string;
    };
    ifVersion?: number;
};
type MutationSpec = {
    pattern: string;
    sensitivity: 'low' | 'medium' | 'high';
    visibility: 'private' | 'internal' | 'public';
    maxBytes?: number;
    jsonSchema?: object;
    pre?: (input: {
        path: string;
        op: MutationOp;
        body: any;
        agent: MutationRequest['agent'];
    }) => Promise<{
        path?: string;
        body?: any;
    } | void>;
    post?: (input: {
        path: string;
        op: MutationOp;
        body: any;
        version?: number;
    }) => Promise<void>;
    allow?: (ctx: {
        agent: MutationRequest['agent'];
        hostOrigin: string;
    }) => boolean;
};
export type { MutationOp, MutationRequest, MutationSpec };
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