export interface ComponentProps {
    /**
     * Characters ordered from dense to sparse. First character is used for bright areas, last for dark areas.
     *
     * Accepts a string value.
     * @default "@%#*+=-:."
     */
    characters: string;
    /**
     * Size of each ASCII character cell (normalized to 1080p reference, scales proportionally at other resolutions)
     *
     * Accepts a number between 8 and 100.
     * @default 30
     */
    cellSize: number;
    /**
     * Font family for characters
     *
     * Accepts one of: `"Azeret"`, `"Courier"`, `"Cutive"`, `"Fira"`, `"Geist"`, `"IBM"`, `"JetBrains"`, `"Major"`, `"Martian"`, `"Nova"`, `"Press"`, `"Roboto"`, `"Share"`, `"Silkscreen"`, `"Source"`, `"Space"`, `"Syne"`, `"VT323"`, `"Xanh"`.
     * @default "JetBrains Mono"
     */
    fontFamily: string;
    /**
     * Character size within each cell (1.0 = optimal size, 0.0 = smallest)
     *
     * @default 1
     */
    spacing: number;
    /**
     * Brightness curve adjustment. <1 brightens darks (more light characters), >1 darkens midtones (more dark characters). Use to better fit characters to image brightness range.
     *
     * @default 1
     */
    gamma: number;
    /**
     * Pixels with alpha below this threshold become fully transparent.
     *
     * Accepts a number between 0 and 1.
     * @default 0
     */
    alphaThreshold: number;
    /**
     * When enabled, output alpha matches input alpha. When disabled, pixels above the alpha threshold become fully opaque.
     *
     * Accepts a boolean value (`true` or `false`).
     * @default true
     */
    preserveAlpha: boolean;
}
export declare const componentDefinition: import('../../gpu/porters').GpuShaderDefinition<ComponentProps>;
export default componentDefinition;
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