export declare type PinSignalInfo = {
    type: 'i2c';
    signal: 'SDA' | 'SCL';
    bus: number;
} | {
    type: 'spi';
    signal: 'SCK' | 'MOSI' | 'MISO' | 'SS';
    bus: number;
} | {
    type: 'usart';
    signal: 'RX' | 'TX';
    bus: number;
} | {
    type: 'power';
    signal: 'GND' | 'VCC';
    voltage?: number;
} | {
    type: 'pwm';
} | {
    type: 'analog';
    channel?: number;
};
export interface ElementPin {
    /**
     * A name that uniquely identifies the pin, e.g. `GND` or `VCC`.
     * Pins that are connected internally must have the same name prefix, followed by a single dot,
     * and a unique suffix (e.g. `GND.1` and `GND.2`).
     */
    name: string;
    /** The x-coordinate of the pin, relative to the element's origin */
    x: number;
    /** The y-coordinate of the pin, relative to the element's origin */
    y: number;
    /** The signals for this pin. Leave empty for generic pins without a designated signals. **/
    signals: PinSignalInfo[];
    /**
     * Pin number. Only relevant for components with numbered pins
     * (e.g. chips in DIP package), and always starts with 1.
     */
    number?: number;
    /**
     * Optional pin description
     */
    description?: string;
}
/** Helper function for creating PinSignalInfo objects */
export declare const analog: (channel: number) => PinSignalInfo;
export declare const i2c: (signal: 'SCL' | 'SDA', bus?: number) => PinSignalInfo;
export declare const spi: (signal: 'SCK' | 'MOSI' | 'MISO' | 'SS', bus?: number) => PinSignalInfo;
export declare const usart: (signal: 'RX' | 'TX', bus?: number) => PinSignalInfo;
export declare const GND: () => PinSignalInfo;
export declare const VCC: (voltage?: number | undefined) => PinSignalInfo;