/**
 * @fileoverview Zod schema for skill config.json validation
 * @module @skillsmith/core/services/skill-config-schema
 * @see SMI-3870: Config.json Schema Validation
 *
 * Validates config.json files fetched during skill installation.
 * v1 uses .passthrough() — logs unknown keys as warnings but does not reject.
 */
import { z } from 'zod';
/**
 * Schema for skill config.json files.
 * v1: passthrough mode — unknown keys logged as warnings, not rejected.
 * Switch to .strict() after publishing the schema spec.
 */
export declare const SkillConfigSchema: z.ZodObject<{
    displayName: z.ZodOptional<z.ZodString>;
    version: z.ZodOptional<z.ZodString>;
    presets: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnion<readonly [z.ZodString, z.ZodNumber, z.ZodBoolean]>>>;
    settings: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnion<readonly [z.ZodString, z.ZodNumber, z.ZodBoolean]>>>;
    mcpServers: z.ZodOptional<z.ZodArray<z.ZodString>>;
    minClaudeCodeVersion: z.ZodOptional<z.ZodString>;
}, z.core.$loose>;
export type SkillConfig = z.infer<typeof SkillConfigSchema>;
export interface ConfigValidationResult {
    valid: boolean;
    errors: string[];
    warnings: string[];
    /** Sanitized config (only if valid) */
    config?: SkillConfig;
}
/**
 * Validate a config.json string against the skill config schema.
 * Returns validation result with errors and warnings for unknown keys.
 */
export declare function validateSkillConfig(content: string): ConfigValidationResult;
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