export interface OAuthParams {
    clientId: string;
    codeChallenge: string;
    codeChallengeMethod: string;
    redirectUri: string;
    responseType: string;
    state: string;
}
export type ParseOAuthParamsResult = {
    error: null;
    params: OAuthParams;
} | {
    error: string;
    params: null;
};
export declare function parseOAuthParams(search: string): ParseOAuthParamsResult;