export interface JsonSchema {
    type?: 'string' | 'number' | 'integer' | 'boolean' | 'array' | 'object' | 'null';
    const?: unknown;
    enum?: unknown[];
    required?: string[];
    properties?: Record<string, JsonSchema>;
    items?: JsonSchema;
    minimum?: number;
    maximum?: number;
    exclusiveMinimum?: number;
    exclusiveMaximum?: number;
    minLength?: number;
    maxLength?: number;
    pattern?: string;
    minItems?: number;
    maxItems?: number;
    uniqueItems?: boolean;
    [key: `x-${string}`]: unknown;
}
export interface ValidationResult {
    valid: boolean;
    errors: string[];
}
/** Validate `value` against the lean JSON-Schema subset. */
export declare function validateAgainstSchema(schema: JsonSchema, value: unknown): ValidationResult;