import { PickerCapability, PickerExcluded, PickerNode } from '../../types/filePicker';
export declare function normalizePickerFormat(format: string): string;
export declare function pickerExclusion(node: PickerNode, capability?: PickerCapability, skipBlanks?: boolean): PickerExcluded | null;
export declare function pickerReason(excluded: PickerExcluded | null, node?: PickerNode): string;
export declare function pickerFormat(name: string): string;