import type { HandlerContext } from "../../types.js";
export declare function buildCSP(ctx: HandlerContext): string;
export declare function getSecurityHeader(headerName: string, defaultValue: string, ctx: HandlerContext): string;
export declare function applySecurityHeaders(headers: Headers, ctx: HandlerContext, req?: Request): void;
export declare function applySecurityHeadersWithNonce(headers: Headers, ctx: HandlerContext, nonce: string, req?: Request): void;
//# sourceMappingURL=security-headers.d.ts.map