export declare class Transparency {
    static get byLayer(): Transparency;
    static get byBlock(): Transparency;
    static get opaque(): Transparency;
    get isByLayer(): boolean;
    get isByBlock(): boolean;
    get value(): number;
    set value(val: number);
    private _value;
    constructor(value: number);
    static toAlphaValue(transparency: Transparency): number;
    static fromAlphaValue(value: number): Transparency;
}
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