export type SignupAttributionInput = Record<string, any> | string | null | undefined;
export interface AuthAttributionContext {
    appName?: string | null;
    webpageName?: string | null;
    signupAttribution?: SignupAttributionInput;
    sdkPlatform?: string | null;
}
export interface ResolvedAuthAttribution {
    appName: string | null;
    webpageName: string | null;
    sdkPlatform: string;
    signupAttribution: Record<string, any> | null;
}
export declare const normalizeSignupAttribution: (value?: SignupAttributionInput) => Record<string, any> | null;
export declare const resolveAuthAttribution: (context?: AuthAttributionContext) => ResolvedAuthAttribution;
export declare const getAuthAttributionHeaders: (attribution: ResolvedAuthAttribution) => Record<string, string>;
export declare const getAuthAttributionBody: (attribution: ResolvedAuthAttribution) => Record<string, any>;
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