export declare const PIE_THEME_SCHEME_PARTICIPATION: {
    readonly "--pie-answer-eliminator-strike-color": "optional";
    readonly "--pie-background": "required";
    readonly "--pie-background-dark": "required";
    readonly "--pie-black": "required";
    readonly "--pie-blue-grey-100": "required";
    readonly "--pie-blue-grey-300": "required";
    readonly "--pie-blue-grey-600": "required";
    readonly "--pie-blue-grey-900": "required";
    readonly "--pie-border": "required";
    readonly "--pie-border-dark": "required";
    readonly "--pie-border-gray": "required";
    readonly "--pie-border-light": "required";
    readonly "--pie-button-active-bg": "required";
    readonly "--pie-button-background-color": "excluded";
    readonly "--pie-button-bg": "required";
    readonly "--pie-button-border": "required";
    readonly "--pie-button-color": "required";
    readonly "--pie-button-focus-outline": "required";
    readonly "--pie-button-hover-background-color": "excluded";
    readonly "--pie-button-hover-bg": "required";
    readonly "--pie-button-hover-border": "required";
    readonly "--pie-button-hover-color": "required";
    readonly "--pie-calculator-series-1": "optional";
    readonly "--pie-calculator-series-2": "optional";
    readonly "--pie-calculator-series-3": "optional";
    readonly "--pie-calculator-series-4": "optional";
    readonly "--pie-calculator-series-5": "optional";
    readonly "--pie-calculator-series-6": "optional";
    readonly "--pie-content-styles": "excluded";
    readonly "--pie-content-emphasis": "required";
    readonly "--pie-correct": "required";
    readonly "--pie-correct-icon": "required";
    readonly "--pie-correct-secondary": "required";
    readonly "--pie-correct-tertiary": "required";
    readonly "--pie-disabled": "required";
    readonly "--pie-disabled-secondary": "required";
    readonly "--pie-disabled-text": "required";
    readonly "--pie-dropdown-background": "required";
    readonly "--pie-surface": "required";
    readonly "--pie-faded-primary": "required";
    readonly "--pie-fixed-hue-collapse": "required";
    readonly "--pie-focus-checked": "required";
    readonly "--pie-focus-checked-border": "required";
    readonly "--pie-focus-outline": "excluded";
    readonly "--pie-focus-ring-color": "excluded";
    readonly "--pie-focus-unchecked": "required";
    readonly "--pie-focus-unchecked-border": "required";
    readonly "--pie-font-scale": "excluded";
    readonly "--pie-incorrect": "required";
    readonly "--pie-incorrect-icon": "required";
    readonly "--pie-incorrect-secondary": "required";
    readonly "--pie-missing": "required";
    readonly "--pie-missing-icon": "required";
    readonly "--pie-passage-header-background": "optional";
    readonly "--pie-primary": "required";
    readonly "--pie-primary-dark": "required";
    readonly "--pie-primary-light": "required";
    readonly "--pie-scrollbar-thumb": "excluded";
    readonly "--pie-scrollbar-thumb-hover": "excluded";
    readonly "--pie-scrollbar-track": "excluded";
    readonly "--pie-secondary": "required";
    readonly "--pie-secondary-background": "required";
    readonly "--pie-secondary-dark": "required";
    readonly "--pie-secondary-light": "required";
    readonly "--pie-section-player-card-header-background": "optional";
    readonly "--pie-section-player-card-header-background-dark": "optional";
    readonly "--pie-section-player-card-header-radius": "excluded";
    readonly "--pie-section-player-card-radius": "excluded";
    readonly "--pie-section-player-item-media-aspect-ratio": "excluded";
    readonly "--pie-section-player-item-media-min-height": "excluded";
    readonly "--pie-section-player-item-media-max-height": "excluded";
    readonly "--pie-section-player-layout-max-width": "excluded";
    readonly "--pie-section-player-tab-active-background": "optional";
    readonly "--pie-section-player-tab-active-color": "optional";
    readonly "--pie-section-player-tab-background": "optional";
    readonly "--pie-section-player-tab-color": "optional";
    readonly "--pie-section-player-tab-gap": "excluded";
    readonly "--pie-section-player-tab-padding-block": "excluded";
    readonly "--pie-section-player-tab-track-padding": "excluded";
    readonly "--pie-section-player-tab-track-radius": "excluded";
    readonly "--pie-section-player-tab-zoom-comp": "excluded";
    readonly "--pie-tertiary": "required";
    readonly "--pie-tertiary-light": "required";
    readonly "--pie-text": "required";
    readonly "--pie-annotation-underline": "required";
    readonly "--pie-annotation-underline-dark": "required";
    readonly "--pie-tool-annotation-toolbar-border": "required";
    readonly "--pie-tool-line-reader-control-color": "excluded";
    readonly "--pie-tool-line-reader-frame-color": "excluded";
    readonly "--pie-tool-line-reader-frame-opacity": "excluded";
    readonly "--pie-tool-trigger-active-background": "optional";
    readonly "--pie-tool-trigger-active-border-color": "optional";
    readonly "--pie-tool-trigger-active-color": "optional";
    readonly "--pie-toolbar-tools-row-height": "excluded";
    readonly "--pie-tts-controls-row-height": "excluded";
    readonly "--pie-tts-line-highlight": "excluded";
    readonly "--pie-tts-sentence-highlight": "excluded";
    readonly "--pie-tts-word-highlight": "excluded";
    readonly "--pie-tts-word-shadow": "excluded";
    readonly "--pie-tts-word-underline": "excluded";
    readonly "--pie-white": "required";
};