/** Minimum length for an app display name (human-readable name in the dev portal). */
export declare const APP_DISPLAY_NAME_MIN_LENGTH = 3;
/** Maximum length for an app display name (human-readable name in the dev portal). */
export declare const APP_DISPLAY_NAME_MAX_LENGTH = 90;
/**
 * Returns an error message if the display name length is invalid, or undefined if valid.
 * Uses trimmed length so leading/trailing whitespace does not count toward the limit.
 */
export declare function getAppDisplayNameLengthError(name: string): string | undefined;
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