import type { BuilderModule } from '@nitrogenbuilder/types';
export declare function generateShortId(): string;
export declare function toBase62(n: number): string;
export declare function fromBase62(s: string): number;
export declare function collectIds(page: BuilderModule[]): Set<string>;
export declare function generateUniqueShortId(page: BuilderModule[], extraUsed?: Set<string>): string;
export declare const SHORT_ID_PATTERN: RegExp;
export declare function isValidId(id: string): boolean;
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