export declare function mergeHeaders(legacyHeaders?: Record<string, string>, requestHeaders?: Record<string, {
    secret: boolean;
    value: string;
}>): Record<string, {
    secret: boolean;
    value: string;
}>;
export declare function createDisplayHeaders(mergedHeaders: Record<string, {
    secret: boolean;
    value: string;
}>): Record<string, {
    secret: boolean;
    value: string;
}>;
export declare function encryptSecretHeaders(headers: Record<string, {
    secret: boolean;
    value: string;
}>): Record<string, {
    secret: boolean;
    value: string;
}>;
export declare function decryptSecretHeaders(requestHeaders: Record<string, {
    secret: boolean;
    value: string;
}>): Record<string, {
    secret: boolean;
    value: string;
}>;
//# sourceMappingURL=headerUtils.d.ts.map