import { Seq } from '../../Utils/IterableUtils';
import { Field, FieldTreeNode, TreeNode, Filter, FilterField, MultiField, MultiFilter, RangeField, ValueCounts } from '../../Components/AttributeFilter/Types';
/**
 * Determine if a field should use a range filter display
 *
 * @param {Field} field
 */
export declare function isRange(field: Field): field is RangeField;
export declare function isMulti(field: Field): field is MultiField;
export declare function isFilterField(field: Field): field is FilterField;
/**
 * Determine if a filter should be created, or if the values represent the default state.
 */
export declare function shouldAddFilter(filter: Filter, valueCounts: ValueCounts, selectByDefault: boolean): boolean;
/**
 * Returns an strftime style format string.
 * @param {string} dateString
 */
export declare function getFormatFromDateString(dateString: string): "%Y-%m-%d" | "%Y-%m" | "%Y";
/**
 * Returns a formatted date.
 *
 * @param {string} format strftime style format string
 * @param {Date} date
 */
export declare function formatDate(format: string, date: string | Date | number): string;
interface NumberFormatOptions {
    /** If the number has more than 5 digits, use scientific notation */
    useScientificNotation?: boolean;
}
export declare function formatNumber(value: number, options?: NumberFormatOptions): string;
/**
 * @param {string} dataString An ISO 8601 compatible date string.
 *   See https://en.wikipedia.org/wiki/ISO_8601.
 */
export declare function parseDate(dateString: string | Date | number): Date;
export declare function getFilterFieldsFromOntology(ontologyEntries: Iterable<Field>): FilterField[];
export declare const GENERATED_ROOT_FIELD: Field;
export interface TreeOptions {
    hideSingleRoot: boolean;
}
export declare const defaultTreeOptions: TreeOptions;
export declare function getTree(ontologyEntries: Iterable<Field>, options?: TreeOptions): FieldTreeNode;
export declare function getGenericTree<T extends Field>(ontologyEntries: Iterable<T>, generatedRootField: T, options?: TreeOptions): TreeNode<T>;
export declare function getLeavesOfSubTree(ontologyEntries: Iterable<Field>, rootTerm: Field): FilterField[];
export declare function removeIntermediateNodesWithSingleChild(node: FieldTreeNode): FieldTreeNode;
export declare function sortLeavesBeforeBranches(root: FieldTreeNode): FieldTreeNode;
/**
 * Create an array of ancestor nodes for a given node predicate.
 */
export declare function findAncestorFields(tree: FieldTreeNode, term: string): Seq<Field>;
/**
 * Creates a display string describing a filter.
 *
 * @param {Field} field
 * @param {any} value
 * @param {boolean} includeUnknown
 */
export declare function getFilterValueDisplay(filter: Filter): string;
export declare function getOperationDisplay(operation: MultiFilter['value']['operation']): "all" | "any";
export declare const toPercentage: (num: number, denom: number) => number | ">99" | "< 1";
export {};
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