GetCurrentState () ↦ (
    UInt32 serial,
    Array of monitors,
    Array of logical_monitors,
    Dict of  properties
)

ApplyMonitorsConfig (
    UInt32 serial,
    UInt32 method,
    Array of logical_monitors,
    Dict of properties
) ↦ ()

GetCurrentState () ↦ (
    UInt32 serial,
    Array of [
        Struct of (
            Struct of (
                String, connector
                String, vendor
                String, product
                String serial
            ) info?,
            Array of [
                Struct of (
                    String, id (1 : preferred mode; 2 : current mode
                    Int32, width
                    Int32, height
                    Double, refresh
                    Double, preferred scale
                    Array of [
                        Double
                    ] supported scales,
                    Dict of {
                        String,
                        Variant
                    } properties (is-current, is-preferred, is-interlaced, and more)
                )
            ] modes,
            Dict of {
                String,
                Variant
            } properties (width-mm, height-mm, is-underscanning, max-screen-size, is-builtin, display-name, privacy-screen-state, and more)
        )
    ] monitors,
    Array of [
        Struct of (
            Int32, x
            Int32, y
            Double, scale
            UInt32, transform (0: normal; 1: 90°; 2: 180°; 3: 270°; 4: flipped; 5: 90° flipped; 6: 180° flipped; 7: 270° flipped
            Boolean, primary
            Array of [
                Struct of (
                    String, connector
                    String, vendor
                    String, product
                    String serial
                )
            ] monitors,
            Dict of {
                String,
                Variant
            } properties
        )
    ] logical_monitors,
    Dict of {
        String,
        Variant
    } properties (layout-mode (u): [ 1: logical, 2 : physical ], supports-changing-layout-mode (b), global-scale-required (b), legacy-ui-scaling-factor (i))
)

ApplyMonitorsConfig (
    UInt32 serial,
    UInt32 method,
    Array of [
        Struct of (
            Int32, layout x position
            Int32, layout y position
            Double, scale
            UInt32, transform (see GetCurrentState)
            Boolean, primary: true if this is the primary logical monitor
            Array of [
                Struct of (
                    String, connector
                    String, monitor mode ID
                    Dict of {
                        String,
                        Variant
                    } monitor properties ("enable_underscanning" (b))
                )
            ] a list of monitors
        )
    ] logical_monitors,
    Dict of {
        String,
        Variant
    } properties ("layout-mode" (u))
) ↦ ()