export type StaticJsonValue = null | boolean | number | string | readonly StaticJsonValue[] | StaticJsonObject;
/** A plain, losslessly JSON-serializable object with safe property keys. */
export type StaticJsonObject = {
    readonly [key: string]: StaticJsonValue;
};
/**
 * Validate values that cross evjs static configuration and graph boundaries.
 *
 * This is intentionally stricter than JSON.stringify(): unsupported values,
 * lossy properties, unsafe object keys, sparse arrays, and cycles fail instead
 * of being dropped or coerced.
 */
export declare function assertStaticJsonValue(value: unknown, source: string): asserts value is StaticJsonValue;
/** Read and validate an optional static-JSON object without invoking accessors. */
export declare function readOptionalStaticJsonObjectProperty(owner: object, key: string, source: string): StaticJsonObject | undefined;
export declare function cloneStaticJsonValue<T>(value: T): T;
export declare function deepFreezeStaticJsonValue<T>(value: T): T;
export declare function isPlainStaticJsonObject(value: unknown): value is Record<string, unknown>;
export declare function assertEnumerableStaticJsonProperties(value: object, source: string): void;
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