proc actionDown[T](action: T): bool

proc actionPressed[T](action: T): bool

proc actionReleased[T](action: T): bool

proc actionValue[T](action: T): float32

proc hasFocus(): bool {....raises: [], tags: [], forbids: [].}

proc keyIsDown(key: Key): bool {....raises: [], tags: [], forbids: [].}

proc keyWasPressed(): bool {....raises: [], tags: [], forbids: [].}

proc keyWasPressed(key: Key): bool {....raises: [], tags: [], forbids: [].}

proc keyWasReleased(key: Key): bool {....raises: [], tags: [], forbids: [].}

proc loadActionMapping[T]()

proc lockMouse(value: bool) {....raises: [], tags: [], forbids: [].}

proc mapAction[T: enum](action: T; button: MouseButton)

proc mapAction[T: enum](action: T; key: Key)

proc mapAction[T: enum](action: T; keys: openArray[Key | MouseButton])

proc mouseIsDown(button: MouseButton): bool {....raises: [], tags: [], forbids: [].}

proc mouseMove(): Vec2i {....raises: [], tags: [], forbids: [].}

proc mousePosition(): Vec2f {....raises: [], tags: [], forbids: [].}

proc mousePositionPixel(): Vec2i {....raises: [], tags: [], forbids: [].}

proc mousePressedButtons(): set[MouseButton] {....raises: [], tags: [], forbids: [].}

proc mouseReleasedButtons(): set[MouseButton] {....raises: [], tags: [],
    forbids: [].}

proc mouseWasPressed(): bool {....raises: [], tags: [], forbids: [].}

proc mouseWasPressed(button: MouseButton): bool {....raises: [], tags: [],
    forbids: [].}

proc mouseWasReleased(): bool {....raises: [], tags: [], forbids: [].}

proc mouseWasReleased(button: MouseButton): bool {....raises: [], tags: [],
    forbids: [].}

proc mouseWheel(): float32 {....raises: [], tags: [], forbids: [].}

proc saveCurrentActionMapping() {....raises: [DbError, OSError, IOError, KeyError,
    ValueError], tags: [DbEffect, ReadIOEffect, WriteDirEffect, ReadDirEffect,
                        ReadEnvEffect, ReadDbEffect, WriteDbEffect,
                        WriteIOEffect], forbids: [].}

proc unmapAction[T: enum](action: T)

proc unmapAction[T: enum](action: T; button: MouseButton)

proc unmapAction[T: enum](action: T; key: Key)

proc updateInputs(): bool {....raises: [], tags: [], forbids: [].}

proc windowIsMinimized(): auto {....raises: [], tags: [], forbids: [].}

proc windowWasResized(): auto {....raises: [], tags: [], forbids: [].}