import { IRouteParameter, ValidParameterValue } from './IRouteParameter';
import { IViewParameterList } from './ViewParameterList';
import { Model } from '@singularsystems/neo-core';
export interface IViewParameter {
    /**
     * Gets or sets the current parameter value.
     */
    value: ValidParameterValue;
    /**
     * Clears the value, replacing the url instead of adding to the history.
     * This prevents the back button returning the params to the current state.
     */
    reset(): void;
    /**
     * Gets or sets the description which corresponds with the value.
     * Used by the breadcrumb.
     */
    description: string;
    /**
     * Sets the description, and an optional list of prefixes.
     * @param description Description of the current value.
     * @param prefixes Function that returns prefixes for this breadcrumb item. The previous prefixes are passed into the function.
     */
    setDescription(description: string, getPrefixes?: (currentPrefixes: IViewParameterPrefix[]) => IViewParameterPrefix[]): void;
    /**
     * Returns value as a nullable int.
     */
    asNullableInt(): number | null;
    /**
     * Returns the value as a string. String will be empty if the underlying value is null.
     */
    asString(): string;
    /**
     * Returns the value as a list of string.
     */
    asStringList(): string[];
    /**
     * Allows this view parameter to automatically update when the provided properties value changes.
     * This is one way, you will still need to set the property value in viewParamsUpdated()
     */
    bindTo(property: Model.IPropertyInstance): void;
    /**
     * Allows this view parameter to automatically update when the value returned in the provided callback changes.
     */
    bindTo(callback: () => ValidParameterValue): void;
}
export declare class ViewParameter implements IViewParameter {
    private parent;
    name: string;
    routeParameter: IRouteParameter;
    private hasPendingValue;
    private pendingValue;
    private _value;
    prefixes: IViewParameterPrefix[];
    constructor(parent: IViewParameterList, name: string, routeParameter: IRouteParameter);
    bindTo(propertyOrCallback: Model.IPropertyInstance | (() => ValidParameterValue)): void;
    get value(): ValidParameterValue;
    set value(value: ValidParameterValue);
    reset(): void;
    _description: string;
    get description(): string;
    set description(value: string);
    setDescription(description: string, getPrefixes?: (currentPrefixes: IViewParameterPrefix[]) => IViewParameterPrefix[]): void;
    asNullableInt(): number | null;
    asString(): string;
    asStringList(): string[];
    /** Updates the current value, and returns true if the value changed. */
    update(value: string | null): boolean;
}
interface IViewParameterPrefix {
    /** Label to show on breadcrumb. */
    label: string;
    /** Value to use in the breadcrumb link. Clicking on the link will set the view parameter to this value. */
    value?: ValidParameterValue;
    /** Custom link to use in the breadcrumb. */
    link?: string;
    /** Click event for the breadcrumb. */
    onClick?: (e: React.MouseEvent) => void;
}
export {};