export type NormalizedProgress = {
    current: number;
    total: number;
    label?: string;
    explanation?: string | null;
};
export type ProgressLike = {
    currentStep: number | null | undefined;
    totalSteps: number | null | undefined;
    explanation?: string | null | undefined;
} | null | undefined;
export type NormalizeProgressOptions = {
    label?: string;
};
export declare function normalizeProgress(progress: ProgressLike, options?: NormalizeProgressOptions): NormalizedProgress | null;
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