import type { BlokkliApp } from '#blokkli/editor/types/app';
import type { RenderedFieldListItem } from '#blokkli/editor/types/field';
import type { BlockPermission } from '#blokkli/editor/types/definitions';
import type { ToolError } from '../types/index.js';
type ValidationResult = {
    valid: true;
} | {
    valid: false;
    error: string;
};
/**
 * Validate that all blocks exist and return them.
 */
export declare function validateBlocksExist(app: BlokkliApp, uuids: string[]): {
    blocks: RenderedFieldListItem[];
} | {
    error: string;
};
/**
 * Validate that all blocks are in the same field.
 * Returns the field key if valid.
 */
export declare function validateSameField(blocks: RenderedFieldListItem[]): {
    fieldKey: string;
    host: RenderedFieldListItem['host'];
} | {
    error: string;
};
/**
 * Validate that field cardinality allows adding N blocks.
 */
export declare function validateFieldCardinality(app: BlokkliApp, host: RenderedFieldListItem['host'], fieldKey: string, additionalCount: number): ValidationResult;
/**
 * Validate that all bundles are allowed in the field.
 */
export declare function validateBundlesAllowed(app: BlokkliApp, host: RenderedFieldListItem['host'], bundles: string[]): ValidationResult;
/**
 * Check that none of the given blocks are inside a restricted ancestor.
 * Returns a ToolError if any block has a restricted ancestor, or undefined if
 * all are unrestricted.
 */
export declare function requireNoRestrictedAncestor(app: BlokkliApp, uuids: string[]): ToolError | undefined;
/**
 * Check that the user has a specific permission for all given bundles.
 * Returns a ToolError if any bundle is denied, or undefined if all are allowed.
 */
export declare function requireBundlePermission(app: BlokkliApp, bundles: string[], operation: BlockPermission): ToolError | undefined;
export {};