export interface CspDirectives {
    readonly defaultSrc?: string[];
    readonly connectSrc?: string[];
    readonly fontSrc?: string[];
    readonly imgSrc?: string[];
    readonly manifestSrc?: string[];
    readonly mediaSrc?: string[];
    readonly objectSrc?: string[];
    readonly scriptSrc?: string[];
    readonly scriptSrcElem?: string[];
    readonly scriptSrcAttr?: string[];
    readonly styleSrc?: string[];
    readonly styleSrcElem?: string[];
    readonly styleSrcAttr?: string[];
    readonly workerSrc?: string[];
    readonly baseUri?: string[];
    readonly sandbox?: string[];
    readonly formAction?: string[];
    readonly frameAncestors?: string[];
    readonly frameSrc?: string[];
    readonly reportTo?: string[];
    readonly upgradeInsecureRequests?: string[];
    readonly childSrc?: string[];
}
export declare const createCspFromDirectiveObjects: (directiveObjects: CspDirectives[]) => string;
export declare const camelToDash: (str: string) => string;