export interface SiaraShieldCspOptions {
    /** Server-generated nonce value without the `'nonce-'` prefix. */
    nonce?: string;
    /** Optional if the customer still loads jQuery from Google's CDN. */
    includeGoogleApis?: boolean;
    /** Include `script-src 'unsafe-inline'` (not recommended for production). */
    includeUnsafeInlineScript?: boolean;
    /** Include `script-src-attr 'self' 'unsafe-inline'` instead of `'none'`. */
    allowInlineEventAttributes?: boolean;
    /** Include `style-src 'unsafe-inline'` (not recommended for production). */
    includeUnsafeInlineStyle?: boolean;
}
export type SiaraShieldCspDirectives = Record<string, string[]>;
export declare function getSiaraShieldCspDirectives(options?: SiaraShieldCspOptions): SiaraShieldCspDirectives;
export declare function getSiaraShieldCspPolicy(options?: SiaraShieldCspOptions): string;
export declare function mergeSiaraShieldCspPolicy(existingPolicy: string, options?: SiaraShieldCspOptions): string;