import type { SupabaseClient } from '@supabase/supabase-js';
export type CreditUsageType = 'screenshot' | 'clip' | 'video' | 'cloud_recapture' | 'ai_chat' | 'studio_creation' | 'studio_iteration' | 'error_analysis' | 'obsolescence_analysis' | 'pr_generation';
export declare function recordCreditUsage(supabase: SupabaseClient, params: {
    userId: string;
    projectId: string | null;
    presetId?: string | null;
    type: CreditUsageType;
    credits: number;
    sourceId: string;
    runId?: string | null;
}): Promise<string | null>;
export declare function revokeCreditUsage(supabase: SupabaseClient, sourceId: string): Promise<void>;