Interface OES_draw_buffers_indexed

interface OES_draw_buffers_indexed {
    blendEquationiOES(buf: number, mode: number): void;
    blendEquationSeparateiOES(
        buf: number,
        modeRGB: number,
        modeAlpha: number,
    ): void;
    blendFunciOES(buf: number, src: number, dst: number): void;
    blendFuncSeparateiOES(
        buf: number,
        srcRGB: number,
        dstRGB: number,
        srcAlpha: number,
        dstAlpha: number,
    ): void;
    colorMaskiOES(
        buf: number,
        r: boolean,
        g: boolean,
        b: boolean,
        a: boolean,
    ): void;
    disableiOES(target: number, index: number): void;
    enableiOES(target: number, index: number): void;
}