type ResolveContext = {
    data: unknown;
    rootData: unknown;
    path: string;
};
type Resolver = (value: unknown, ctx: ResolveContext) => unknown;
interface ValidationResult {
    valid: boolean;
    errors: string[];
}
type DefaultValueByType = string | number | boolean | Record<string, unknown> | unknown[];
export type SchemaExpress = {
    path: string;
    resolve?: Resolver;
    defaultValue?: DefaultValueByType;
} & ({
    type: 'string' | 'number' | 'boolean' | 'integer';
} | {
    type: 'object';
    properties: Record<string, SchemaExpress>;
} | {
    type: 'array';
    items: SchemaExpress;
});
export type SchemaType = 'string' | 'number' | 'boolean' | 'integer' | 'object' | 'array';
export declare function validateExpressSchema(data: unknown, contextPath?: string): ValidationResult;
export declare function createTransform(schema: SchemaExpress): (data: unknown) => unknown;
export declare function transform(schema: SchemaExpress, data: unknown): unknown;
export {};
//# sourceMappingURL=transformer.d.ts.map