export declare const inputClassNamePrefix: "os-shared-Input";
export declare const inputClassNames: {
    readonly root: "os-shared-Input-root";
    readonly label: "os-shared-Input-label";
    readonly input: "os-shared-Input-input";
};
export type InputClassNames = (typeof inputClassNames)[keyof typeof inputClassNames];
/** Field height per `size`. A floating label always forces the taller box so label and value both fit. */
export declare const inputFieldHeights: {
    readonly sm: 28;
    readonly md: 32;
    readonly labelled: 40;
};
/** Keys a `type="number"` field accepts natively but that produce values we never want. */
export declare const inputBlockedNumberKeys: readonly ["e", "E", "+", "-"];
/** Printable characters a `type="number"` field may receive under the Safari guard. */
export declare const inputNumericCharacterPattern: RegExp;
export declare const inputIsSafari: boolean;