declare const HSON_NUMBER_BRAND: unique symbol;
/**
 * A primitive JavaScript number admitted to the universal Hson numeric domain.
 *
 * The brand exists only at compile time. Runtime values remain ordinary
 * numbers, and transport removes this proof until the decoded value is
 * validated again.
 */
export type HsonNumber = number & {
    readonly [HSON_NUMBER_BRAND]: true;
};
export declare const HSON_NUMBER_TYPE_REQUIRED: "HSON_NUMBER_TYPE_REQUIRED";
export declare const HSON_NUMBER_NONFINITE: "HSON_NUMBER_NONFINITE";
/** Admit one primitive finite number without coercion or normalization. */
export declare function admit_hson_number(value: unknown): HsonNumber;
/** Admit a finite number, or execute one synchronous calculation and admit its result. */
export declare function hsonCalc(value: number | (() => number)): HsonNumber;
export {};
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