import type { IActivityHandler } from "../../IActivityHandler";
import type { Item } from "../../forms/FormDefinition";
export interface GetFormElementItemsFromFeaturesInputs {
    features: __esri.Graphic[];
    labelFieldName?: string;
    valueFieldName?: string;
    /** The features' fields. If present, the activity can attempt to match inputs to field aliases. */
    fields?: __esri.Field[];
}
export interface GetFormElementItemsFromFeaturesOutputs {
    /** @description The result items collection. */
    items: Record<string, Item>;
}
export declare class GetFormElementItemsFromFeatures implements IActivityHandler {
    static readonly action = "gcx:wf:forms::GetFormElementItemsFromFeatures";
    static readonly suite = "gcx:wf:builtin";
    execute(inputs: GetFormElementItemsFromFeaturesInputs): GetFormElementItemsFromFeaturesOutputs;
    /**
     * Gets the value of the specified attribute.
     * This also accepts aliases and performs a case-insensitive lookup.
     * If no match is found, `undefined` is returned.
     * @param fieldName The name of the field to get the value of.
     * @param fieldNames All field names and aliases.
     * @param attributes The attributes we're interested in looking up.
     * @param hideEmptyValues True if an `undefined` or `false` value should be converted to an empty string, for use in a label. False if the actual value should be returned.
     */
    private _getAttributeValue;
    /**
     * Returns the actual field name to use based on the supplied value.
     * This also accepts aliases and performs a case-insensitive lookup.
     * If no match is found, `undefined` is returned.
     * @param fieldName The name of the field to look up.
     * @param fieldNames All field names and aliases.
     * @returns The name of the matching field, or `undefined` if no match was found.
     */
    private _getFieldName;
    private _getTokenValues;
    /**
     * Checks if there is a field name that matches the supplied label.
     * This also accepts aliases and performs a case-insensitive lookup.
     * @param label The label input to be checked.
     * @param fieldNames All field names and aliases.
     * @returns True if the label matches a field name or alias, false otherwise.
     */
    private _isLabelFieldName;
}