import { Item, Port as IPort, PortType, Parameter as IParameter, ParameterType, ParameterValue, Choice, PortValue, LiteralValue, WidgetType, ContextGlobals, Section } from "./types";
import Context from "./context";
type ParameterChoices = string[] | string[][];
export declare function parseChoices(choices: string[] | string[][]): Choice[];
export declare function defaultValueForType(type: ParameterType): LiteralValue;
export declare function defaultWidgetForType(type: ParameterType): WidgetType;
export declare function createExpressionContext(_cx: Context, globals: ContextGlobals): ContextGlobals;
declare class Parameter implements IParameter {
    node: RuntimeNode;
    type: ParameterType;
    widget: WidgetType;
    name: string;
    label: string;
    section?: string;
    defaultValue: LiteralValue;
    choices?: Choice[];
    min: number;
    max: number;
    step: number;
    constructor(node: RuntimeNode, name: string, type: ParameterType, defaultValue?: LiteralValue | undefined, choices?: Choice[]);
    get value(): unknown;
    get fn(): (d: Record<string, any>) => unknown;
    get timeDependent(): boolean;
}
declare class Port implements IPort {
    node: RuntimeNode;
    type: PortType;
    name: string;
    _value: PortValue;
    constructor(node: RuntimeNode, name: string, type: PortType);
    get value(): PortValue;
    set(value: PortValue): void;
}
export default class RuntimeNode {
    cx: Context;
    nodeId: string;
    nodeFn: Item;
    inputPorts: Port[];
    outputPorts: Port[];
    parameters: Parameter[];
    values: Record<string, ParameterValue>;
    _timeDependent: boolean;
    dirty: boolean;
    globals: ContextGlobals | null;
    sections: Section[];
    _currentSection?: string;
    message?: string;
    constructor(cx: Context, nodeId: string, nodeFn: Item);
    get timeDependent(): boolean;
    set timeDependent(value: boolean);
    numberIn({ name, value, min, max, step, }: {
        name: string;
        value: LiteralValue | undefined;
        min?: number;
        max?: number;
        step?: number;
    }): Parameter;
    stringIn({ name, value, widget, choices, }: {
        name: string;
        value: LiteralValue | undefined;
        widget?: WidgetType;
        choices?: ParameterChoices;
    }): Parameter;
    booleanIn({ name, value }: {
        name: string;
        value: LiteralValue | undefined;
    }): Parameter;
    colorIn({ name, value }: {
        name: string;
        value: LiteralValue | undefined;
    }): Parameter;
    choiceIn({ name, value, choices }: {
        name: string;
        value: LiteralValue | undefined;
        choices: Choice[];
    }): Parameter;
    fileIn({ name, value }: {
        name: string;
        value: LiteralValue | undefined;
    }): Parameter;
    tableIn({ name }: {
        name: string;
    }): Port;
    shapeIn({ name }: {
        name: string;
    }): Port;
    specIn({ name }: {
        name: string;
    }): Port;
    tableOut({ name }: {
        name: string;
    }): Port;
    shapeOut({ name }: {
        name: string;
    }): Port;
    specOut({ name }: {
        name: string;
    }): Port;
    pushSection({ name, collapsed }: {
        name: string;
        collapsed: boolean;
    }): void;
    popSection(): void;
    onRender(_cx: Context): void;
    onChange(_cx: Context, _parameterName: string): void;
}
export {};