/**
 * TypeExpr to MEL Renderer
 *
 * Converts TypeExpr AST to MEL type syntax.
 *
 * @example
 * // { kind: "primitive", name: "string" } -> "string"
 * // { kind: "array", element: { kind: "ref", name: "Todo" } } -> "Array<Todo>"
 * // { kind: "union", members: [...] } -> "string | number | null"
 */
/**
 * TypeExpr type from translator package
 */
export type TypeExpr = {
    kind: "primitive";
    name: "string" | "number" | "boolean" | "null";
} | {
    kind: "literal";
    value: string | number | boolean | null;
} | {
    kind: "ref";
    name: string;
} | {
    kind: "array";
    element: TypeExpr;
} | {
    kind: "record";
    key: TypeExpr;
    value: TypeExpr;
} | {
    kind: "union";
    members: TypeExpr[];
} | {
    kind: "object";
    fields: TypeField[];
};
export type TypeField = {
    readonly name: string;
    readonly optional: boolean;
    readonly type: TypeExpr;
};
/**
 * Renders a TypeExpr to MEL type syntax string.
 *
 * @param typeExpr - The TypeExpr to render
 * @returns MEL type syntax string
 */
export declare function renderTypeExpr(typeExpr: TypeExpr): string;
/**
 * Renders a TypeField with optional default value.
 *
 * @param field - The TypeField to render
 * @param defaultValue - Optional default value
 * @returns MEL field declaration string
 */
export declare function renderTypeField(field: TypeField, defaultValue?: unknown): string;
/**
 * Renders a JavaScript value to MEL syntax.
 */
export declare function renderValue(value: unknown): string;