import type { CommonPubConfig, RegisteredTheme } from './types.js';
export interface ConfigWarning {
    field: string;
    message: string;
}
export interface ConfigResult {
    config: CommonPubConfig;
    warnings: ConfigWarning[];
}
/**
 * Define and validate a CommonPub instance configuration.
 * Returns the validated config with defaults applied and any warnings.
 *
 * @throws {ZodError} if the config is invalid
 */
export declare function defineCommonPubConfig(input: {
    instance: {
        domain: string;
        name: string;
        description: string;
        contactEmail?: string;
        maxUploadSize?: number;
        contentTypes?: Array<'project' | 'article' | 'blog' | 'explainer'>;
        contestCreation?: 'open' | 'staff' | 'admin';
    };
    features?: Partial<CommonPubConfig['features']>;
    auth?: Partial<CommonPubConfig['auth']>;
    federation?: Partial<CommonPubConfig['federation']>;
    /** Code-registered themes (the zod schema always accepted these; the input
     *  type previously omitted them, so thin apps couldn't declare them
     *  without a type error). */
    themes?: RegisteredTheme[];
    /** Brand default theme id — see CommonPubConfig.defaultTheme. */
    defaultTheme?: string;
}): ConfigResult;
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