Interface WebGL2RenderingContextBase

interface WebGL2RenderingContextBase {
    ACTIVE_UNIFORM_BLOCKS: 35382;
    ALREADY_SIGNALED: 37146;
    ANY_SAMPLES_PASSED: 35887;
    ANY_SAMPLES_PASSED_CONSERVATIVE: 36202;
    COLOR: 6144;
    COLOR_ATTACHMENT1: 36065;
    COLOR_ATTACHMENT10: 36074;
    COLOR_ATTACHMENT11: 36075;
    COLOR_ATTACHMENT12: 36076;
    COLOR_ATTACHMENT13: 36077;
    COLOR_ATTACHMENT14: 36078;
    COLOR_ATTACHMENT15: 36079;
    COLOR_ATTACHMENT2: 36066;
    COLOR_ATTACHMENT3: 36067;
    COLOR_ATTACHMENT4: 36068;
    COLOR_ATTACHMENT5: 36069;
    COLOR_ATTACHMENT6: 36070;
    COLOR_ATTACHMENT7: 36071;
    COLOR_ATTACHMENT8: 36072;
    COLOR_ATTACHMENT9: 36073;
    COMPARE_REF_TO_TEXTURE: 34894;
    CONDITION_SATISFIED: 37148;
    COPY_READ_BUFFER: 36662;
    COPY_READ_BUFFER_BINDING: 36662;
    COPY_WRITE_BUFFER: 36663;
    COPY_WRITE_BUFFER_BINDING: 36663;
    CURRENT_QUERY: 34917;
    DEPTH: 6145;
    DEPTH_COMPONENT24: 33190;
    DEPTH_COMPONENT32F: 36012;
    DEPTH24_STENCIL8: 35056;
    DEPTH32F_STENCIL8: 36013;
    DRAW_BUFFER0: 34853;
    DRAW_BUFFER1: 34854;
    DRAW_BUFFER10: 34863;
    DRAW_BUFFER11: 34864;
    DRAW_BUFFER12: 34865;
    DRAW_BUFFER13: 34866;
    DRAW_BUFFER14: 34867;
    DRAW_BUFFER15: 34868;
    DRAW_BUFFER2: 34855;
    DRAW_BUFFER3: 34856;
    DRAW_BUFFER4: 34857;
    DRAW_BUFFER5: 34858;
    DRAW_BUFFER6: 34859;
    DRAW_BUFFER7: 34860;
    DRAW_BUFFER8: 34861;
    DRAW_BUFFER9: 34862;
    DRAW_FRAMEBUFFER: 36009;
    DRAW_FRAMEBUFFER_BINDING: 36006;
    DYNAMIC_COPY: 35050;
    DYNAMIC_READ: 35049;
    FLOAT_32_UNSIGNED_INT_24_8_REV: 36269;
    FLOAT_MAT2x3: 35685;
    FLOAT_MAT2x4: 35686;
    FLOAT_MAT3x2: 35687;
    FLOAT_MAT3x4: 35688;
    FLOAT_MAT4x2: 35689;
    FLOAT_MAT4x3: 35690;
    FRAGMENT_SHADER_DERIVATIVE_HINT: 35723;
    FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE: 33301;
    FRAMEBUFFER_ATTACHMENT_BLUE_SIZE: 33300;
    FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING: 33296;
    FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE: 33297;
    FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE: 33302;
    FRAMEBUFFER_ATTACHMENT_GREEN_SIZE: 33299;
    FRAMEBUFFER_ATTACHMENT_RED_SIZE: 33298;
    FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE: 33303;
    FRAMEBUFFER_ATTACHMENT_TEXTURE_LAYER: 36052;
    FRAMEBUFFER_DEFAULT: 33304;
    FRAMEBUFFER_INCOMPLETE_MULTISAMPLE: 36182;
    HALF_FLOAT: 5131;
    INT_2_10_10_10_REV: 36255;
    INT_SAMPLER_2D: 36298;
    INT_SAMPLER_2D_ARRAY: 36303;
    INT_SAMPLER_3D: 36299;
    INT_SAMPLER_CUBE: 36300;
    INTERLEAVED_ATTRIBS: 35980;
    INVALID_INDEX: 4294967295;
    MAX: 32776;
    MAX_3D_TEXTURE_SIZE: 32883;
    MAX_ARRAY_TEXTURE_LAYERS: 35071;
    MAX_CLIENT_WAIT_TIMEOUT_WEBGL: 37447;
    MAX_COLOR_ATTACHMENTS: 36063;
    MAX_COMBINED_FRAGMENT_UNIFORM_COMPONENTS: 35379;
    MAX_COMBINED_UNIFORM_BLOCKS: 35374;
    MAX_COMBINED_VERTEX_UNIFORM_COMPONENTS: 35377;
    MAX_DRAW_BUFFERS: 34852;
    MAX_ELEMENT_INDEX: 36203;
    MAX_ELEMENTS_INDICES: 33001;
    MAX_ELEMENTS_VERTICES: 33000;
    MAX_FRAGMENT_INPUT_COMPONENTS: 37157;
    MAX_FRAGMENT_UNIFORM_BLOCKS: 35373;
    MAX_FRAGMENT_UNIFORM_COMPONENTS: 35657;
    MAX_PROGRAM_TEXEL_OFFSET: 35077;
    MAX_SAMPLES: 36183;
    MAX_SERVER_WAIT_TIMEOUT: 37137;
    MAX_TEXTURE_LOD_BIAS: 34045;
    MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS: 35978;
    MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS: 35979;
    MAX_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS: 35968;
    MAX_UNIFORM_BLOCK_SIZE: 35376;
    MAX_UNIFORM_BUFFER_BINDINGS: 35375;
    MAX_VARYING_COMPONENTS: 35659;
    MAX_VERTEX_OUTPUT_COMPONENTS: 37154;
    MAX_VERTEX_UNIFORM_BLOCKS: 35371;
    MAX_VERTEX_UNIFORM_COMPONENTS: 35658;
    MIN: 32775;
    MIN_PROGRAM_TEXEL_OFFSET: 35076;
    OBJECT_TYPE: 37138;
    PACK_ROW_LENGTH: 3330;
    PACK_SKIP_PIXELS: 3332;
    PACK_SKIP_ROWS: 3331;
    PIXEL_PACK_BUFFER: 35051;
    PIXEL_PACK_BUFFER_BINDING: 35053;
    PIXEL_UNPACK_BUFFER: 35052;
    PIXEL_UNPACK_BUFFER_BINDING: 35055;
    QUERY_RESULT: 34918;
    QUERY_RESULT_AVAILABLE: 34919;
    R11F_G11F_B10F: 35898;
    R16F: 33325;
    R16I: 33331;
    R16UI: 33332;
    R32F: 33326;
    R32I: 33333;
    R32UI: 33334;
    R8: 33321;
    R8_SNORM: 36756;
    R8I: 33329;
    R8UI: 33330;
    RASTERIZER_DISCARD: 35977;
    READ_BUFFER: 3074;
    READ_FRAMEBUFFER: 36008;
    READ_FRAMEBUFFER_BINDING: 36010;
    RED: 6403;
    RED_INTEGER: 36244;
    RENDERBUFFER_SAMPLES: 36011;
    RG: 33319;
    RG_INTEGER: 33320;
    RG16F: 33327;
    RG16I: 33337;
    RG16UI: 33338;
    RG32F: 33328;
    RG32I: 33339;
    RG32UI: 33340;
    RG8: 33323;
    RG8_SNORM: 36757;
    RG8I: 33335;
    RG8UI: 33336;
    RGB_INTEGER: 36248;
    RGB10_A2: 32857;
    RGB10_A2UI: 36975;
    RGB16F: 34843;
    RGB16I: 36233;
    RGB16UI: 36215;
    RGB32F: 34837;
    RGB32I: 36227;
    RGB32UI: 36209;
    RGB8: 32849;
    RGB8_SNORM: 36758;
    RGB8I: 36239;
    RGB8UI: 36221;
    RGB9_E5: 35901;
    RGBA_INTEGER: 36249;
    RGBA16F: 34842;
    RGBA16I: 36232;
    RGBA16UI: 36214;
    RGBA32F: 34836;
    RGBA32I: 36226;
    RGBA32UI: 36208;
    RGBA8_SNORM: 36759;
    RGBA8I: 36238;
    RGBA8UI: 36220;
    SAMPLER_2D_ARRAY: 36289;
    SAMPLER_2D_ARRAY_SHADOW: 36292;
    SAMPLER_2D_SHADOW: 35682;
    SAMPLER_3D: 35679;
    SAMPLER_BINDING: 35097;
    SAMPLER_CUBE_SHADOW: 36293;
    SEPARATE_ATTRIBS: 35981;
    SIGNALED: 37145;
    SIGNED_NORMALIZED: 36764;
    SRGB: 35904;
    SRGB8: 35905;
    SRGB8_ALPHA8: 35907;
    STATIC_COPY: 35046;
    STATIC_READ: 35045;
    STENCIL: 6146;
    STREAM_COPY: 35042;
    STREAM_READ: 35041;
    SYNC_CONDITION: 37139;
    SYNC_FENCE: 37142;
    SYNC_FLAGS: 37141;
    SYNC_FLUSH_COMMANDS_BIT: 1;
    SYNC_GPU_COMMANDS_COMPLETE: 37143;
    SYNC_STATUS: 37140;
    TEXTURE_2D_ARRAY: 35866;
    TEXTURE_3D: 32879;
    TEXTURE_BASE_LEVEL: 33084;
    TEXTURE_BINDING_2D_ARRAY: 35869;
    TEXTURE_BINDING_3D: 32874;
    TEXTURE_COMPARE_FUNC: 34893;
    TEXTURE_COMPARE_MODE: 34892;
    TEXTURE_IMMUTABLE_FORMAT: 37167;
    TEXTURE_IMMUTABLE_LEVELS: 33503;
    TEXTURE_MAX_LEVEL: 33085;
    TEXTURE_MAX_LOD: 33083;
    TEXTURE_MIN_LOD: 33082;
    TEXTURE_WRAP_R: 32882;
    TIMEOUT_EXPIRED: 37147;
    TIMEOUT_IGNORED: -1;
    TRANSFORM_FEEDBACK: 36386;
    TRANSFORM_FEEDBACK_ACTIVE: 36388;
    TRANSFORM_FEEDBACK_BINDING: 36389;
    TRANSFORM_FEEDBACK_BUFFER: 35982;
    TRANSFORM_FEEDBACK_BUFFER_BINDING: 35983;
    TRANSFORM_FEEDBACK_BUFFER_MODE: 35967;
    TRANSFORM_FEEDBACK_BUFFER_SIZE: 35973;
    TRANSFORM_FEEDBACK_BUFFER_START: 35972;
    TRANSFORM_FEEDBACK_PAUSED: 36387;
    TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN: 35976;
    TRANSFORM_FEEDBACK_VARYINGS: 35971;
    UNIFORM_ARRAY_STRIDE: 35388;
    UNIFORM_BLOCK_ACTIVE_UNIFORM_INDICES: 35395;
    UNIFORM_BLOCK_ACTIVE_UNIFORMS: 35394;
    UNIFORM_BLOCK_BINDING: 35391;
    UNIFORM_BLOCK_DATA_SIZE: 35392;
    UNIFORM_BLOCK_INDEX: 35386;
    UNIFORM_BLOCK_REFERENCED_BY_FRAGMENT_SHADER: 35398;
    UNIFORM_BLOCK_REFERENCED_BY_VERTEX_SHADER: 35396;
    UNIFORM_BUFFER: 35345;
    UNIFORM_BUFFER_BINDING: 35368;
    UNIFORM_BUFFER_OFFSET_ALIGNMENT: 35380;
    UNIFORM_BUFFER_SIZE: 35370;
    UNIFORM_BUFFER_START: 35369;
    UNIFORM_IS_ROW_MAJOR: 35390;
    UNIFORM_MATRIX_STRIDE: 35389;
    UNIFORM_OFFSET: 35387;
    UNIFORM_SIZE: 35384;
    UNIFORM_TYPE: 35383;
    UNPACK_IMAGE_HEIGHT: 32878;
    UNPACK_ROW_LENGTH: 3314;
    UNPACK_SKIP_IMAGES: 32877;
    UNPACK_SKIP_PIXELS: 3316;
    UNPACK_SKIP_ROWS: 3315;
    UNSIGNALED: 37144;
    UNSIGNED_INT_10F_11F_11F_REV: 35899;
    UNSIGNED_INT_2_10_10_10_REV: 33640;
    UNSIGNED_INT_24_8: 34042;
    UNSIGNED_INT_5_9_9_9_REV: 35902;
    UNSIGNED_INT_SAMPLER_2D: 36306;
    UNSIGNED_INT_SAMPLER_2D_ARRAY: 36311;
    UNSIGNED_INT_SAMPLER_3D: 36307;
    UNSIGNED_INT_SAMPLER_CUBE: 36308;
    UNSIGNED_INT_VEC2: 36294;
    UNSIGNED_INT_VEC3: 36295;
    UNSIGNED_INT_VEC4: 36296;
    UNSIGNED_NORMALIZED: 35863;
    VERTEX_ARRAY_BINDING: 34229;
    VERTEX_ATTRIB_ARRAY_DIVISOR: 35070;
    VERTEX_ATTRIB_ARRAY_INTEGER: 35069;
    WAIT_FAILED: 37149;
    beginQuery(target: number, query: WebGLQuery): void;
    beginTransformFeedback(primitiveMode: number): void;
    bindBufferBase(target: number, index: number, buffer: WebGLBuffer): void;
    bindBufferRange(
        target: number,
        index: number,
        buffer: WebGLBuffer,
        offset: number,
        size: number,
    ): void;
    bindSampler(unit: number, sampler: WebGLSampler): void;
    bindTransformFeedback(target: number, tf: WebGLTransformFeedback): void;
    bindVertexArray(array: WebGLVertexArrayObject): void;
    blitFramebuffer(
        srcX0: number,
        srcY0: number,
        srcX1: number,
        srcY1: number,
        dstX0: number,
        dstY0: number,
        dstX1: number,
        dstY1: number,
        mask: number,
        filter: number,
    ): void;
    clearBufferfi(
        buffer: number,
        drawbuffer: number,
        depth: number,
        stencil: number,
    ): void;
    clearBufferfv(
        buffer: number,
        drawbuffer: number,
        values: Float32List,
        srcOffset?: number,
    ): void;
    clearBufferiv(
        buffer: number,
        drawbuffer: number,
        values: Int32List,
        srcOffset?: number,
    ): void;
    clearBufferuiv(
        buffer: number,
        drawbuffer: number,
        values: Uint32List,
        srcOffset?: number,
    ): void;
    clientWaitSync(sync: WebGLSync, flags: number, timeout: number): number;
    compressedTexImage3D(
        target: number,
        level: number,
        internalformat: number,
        width: number,
        height: number,
        depth: number,
        border: number,
        imageSize: number,
        offset: number,
    ): void;
    compressedTexImage3D(
        target: number,
        level: number,
        internalformat: number,
        width: number,
        height: number,
        depth: number,
        border: number,
        srcData: ArrayBufferView,
        srcOffset?: number,
        srcLengthOverride?: number,
    ): void;
    compressedTexSubImage3D(
        target: number,
        level: number,
        xoffset: number,
        yoffset: number,
        zoffset: number,
        width: number,
        height: number,
        depth: number,
        format: number,
        imageSize: number,
        offset: number,
    ): void;
    compressedTexSubImage3D(
        target: number,
        level: number,
        xoffset: number,
        yoffset: number,
        zoffset: number,
        width: number,
        height: number,
        depth: number,
        format: number,
        srcData: ArrayBufferView,
        srcOffset?: number,
        srcLengthOverride?: number,
    ): void;
    copyBufferSubData(
        readTarget: number,
        writeTarget: number,
        readOffset: number,
        writeOffset: number,
        size: number,
    ): void;
    copyTexSubImage3D(
        target: number,
        level: number,
        xoffset: number,
        yoffset: number,
        zoffset: number,
        x: number,
        y: number,
        width: number,
        height: number,
    ): void;
    createQuery(): WebGLQuery;
    createSampler(): WebGLSampler;
    createTransformFeedback(): WebGLTransformFeedback;
    createVertexArray(): WebGLVertexArrayObject;
    deleteQuery(query: WebGLQuery): void;
    deleteSampler(sampler: WebGLSampler): void;
    deleteSync(sync: WebGLSync): void;
    deleteTransformFeedback(tf: WebGLTransformFeedback): void;
    deleteVertexArray(vertexArray: WebGLVertexArrayObject): void;
    drawArraysInstanced(
        mode: number,
        first: number,
        count: number,
        instanceCount: number,
    ): void;
    drawBuffers(buffers: number[]): void;
    drawElementsInstanced(
        mode: number,
        count: number,
        type: number,
        offset: number,
        instanceCount: number,
    ): void;
    drawRangeElements(
        mode: number,
        start: number,
        end: number,
        count: number,
        type: number,
        offset: number,
    ): void;
    endQuery(target: number): void;
    endTransformFeedback(): void;
    fenceSync(condition: number, flags: number): WebGLSync;
    framebufferTextureLayer(
        target: number,
        attachment: number,
        texture: WebGLTexture,
        level: number,
        layer: number,
    ): void;
    getActiveUniformBlockName(
        program: WebGLProgram,
        uniformBlockIndex: number,
    ): string;
    getActiveUniformBlockParameter(
        program: WebGLProgram,
        uniformBlockIndex: number,
        pname: number,
    ): any;
    getActiveUniforms(
        program: WebGLProgram,
        uniformIndices: number[],
        pname: number,
    ): any;
    getBufferSubData(
        target: number,
        srcByteOffset: number,
        dstBuffer: ArrayBufferView,
        dstOffset?: number,
        length?: number,
    ): void;
    getFragDataLocation(program: WebGLProgram, name: string): number;
    getIndexedParameter(target: number, index: number): any;
    getInternalformatParameter(
        target: number,
        internalformat: number,
        pname: number,
    ): any;
    getQuery(target: number, pname: number): WebGLQuery;
    getQueryParameter(query: WebGLQuery, pname: number): any;
    getSamplerParameter(sampler: WebGLSampler, pname: number): any;
    getSyncParameter(sync: WebGLSync, pname: number): any;
    getTransformFeedbackVarying(
        program: WebGLProgram,
        index: number,
    ): WebGLActiveInfo;
    getUniformBlockIndex(
        program: WebGLProgram,
        uniformBlockName: string,
    ): number;
    getUniformIndices(program: WebGLProgram, uniformNames: string[]): number[];
    invalidateFramebuffer(target: number, attachments: number[]): void;
    invalidateSubFramebuffer(
        target: number,
        attachments: number[],
        x: number,
        y: number,
        width: number,
        height: number,
    ): void;
    isQuery(query: WebGLQuery): boolean;
    isSampler(sampler: WebGLSampler): boolean;
    isSync(sync: WebGLSync): boolean;
    isTransformFeedback(tf: WebGLTransformFeedback): boolean;
    isVertexArray(vertexArray: WebGLVertexArrayObject): boolean;
    pauseTransformFeedback(): void;
    readBuffer(src: number): void;
    renderbufferStorageMultisample(
        target: number,
        samples: number,
        internalformat: number,
        width: number,
        height: number,
    ): void;
    resumeTransformFeedback(): void;
    samplerParameterf(
        sampler: WebGLSampler,
        pname: number,
        param: number,
    ): void;
    samplerParameteri(
        sampler: WebGLSampler,
        pname: number,
        param: number,
    ): void;
    texImage3D(
        target: number,
        level: number,
        internalformat: number,
        width: number,
        height: number,
        depth: number,
        border: number,
        format: number,
        type: number,
        pboOffset: number,
    ): void;
    texImage3D(
        target: number,
        level: number,
        internalformat: number,
        width: number,
        height: number,
        depth: number,
        border: number,
        format: number,
        type: number,
        source: TexImageSource,
    ): void;
    texImage3D(
        target: number,
        level: number,
        internalformat: number,
        width: number,
        height: number,
        depth: number,
        border: number,
        format: number,
        type: number,
        srcData: ArrayBufferView<ArrayBufferLike>,
    ): void;
    texImage3D(
        target: number,
        level: number,
        internalformat: number,
        width: number,
        height: number,
        depth: number,
        border: number,
        format: number,
        type: number,
        srcData: ArrayBufferView,
        srcOffset: number,
    ): void;
    texStorage2D(
        target: number,
        levels: number,
        internalformat: number,
        width: number,
        height: number,
    ): void;
    texStorage3D(
        target: number,
        levels: number,
        internalformat: number,
        width: number,
        height: number,
        depth: number,
    ): void;
    texSubImage3D(
        target: number,
        level: number,
        xoffset: number,
        yoffset: number,
        zoffset: number,
        width: number,
        height: number,
        depth: number,
        format: number,
        type: number,
        pboOffset: number,
    ): void;
    texSubImage3D(
        target: number,
        level: number,
        xoffset: number,
        yoffset: number,
        zoffset: number,
        width: number,
        height: number,
        depth: number,
        format: number,
        type: number,
        source: TexImageSource,
    ): void;
    texSubImage3D(
        target: number,
        level: number,
        xoffset: number,
        yoffset: number,
        zoffset: number,
        width: number,
        height: number,
        depth: number,
        format: number,
        type: number,
        srcData: ArrayBufferView<ArrayBufferLike>,
        srcOffset?: number,
    ): void;
    transformFeedbackVaryings(
        program: WebGLProgram,
        varyings: string[],
        bufferMode: number,
    ): void;
    uniform1ui(location: WebGLUniformLocation, v0: number): void;
    uniform1uiv(
        location: WebGLUniformLocation,
        data: Uint32List,
        srcOffset?: number,
        srcLength?: number,
    ): void;
    uniform2ui(location: WebGLUniformLocation, v0: number, v1: number): void;
    uniform2uiv(
        location: WebGLUniformLocation,
        data: Uint32List,
        srcOffset?: number,
        srcLength?: number,
    ): void;
    uniform3ui(
        location: WebGLUniformLocation,
        v0: number,
        v1: number,
        v2: number,
    ): void;
    uniform3uiv(
        location: WebGLUniformLocation,
        data: Uint32List,
        srcOffset?: number,
        srcLength?: number,
    ): void;
    uniform4ui(
        location: WebGLUniformLocation,
        v0: number,
        v1: number,
        v2: number,
        v3: number,
    ): void;
    uniform4uiv(
        location: WebGLUniformLocation,
        data: Uint32List,
        srcOffset?: number,
        srcLength?: number,
    ): void;
    uniformBlockBinding(
        program: WebGLProgram,
        uniformBlockIndex: number,
        uniformBlockBinding: number,
    ): void;
    uniformMatrix2x3fv(
        location: WebGLUniformLocation,
        transpose: boolean,
        data: Float32List,
        srcOffset?: number,
        srcLength?: number,
    ): void;
    uniformMatrix2x4fv(
        location: WebGLUniformLocation,
        transpose: boolean,
        data: Float32List,
        srcOffset?: number,
        srcLength?: number,
    ): void;
    uniformMatrix3x2fv(
        location: WebGLUniformLocation,
        transpose: boolean,
        data: Float32List,
        srcOffset?: number,
        srcLength?: number,
    ): void;
    uniformMatrix3x4fv(
        location: WebGLUniformLocation,
        transpose: boolean,
        data: Float32List,
        srcOffset?: number,
        srcLength?: number,
    ): void;
    uniformMatrix4x2fv(
        location: WebGLUniformLocation,
        transpose: boolean,
        data: Float32List,
        srcOffset?: number,
        srcLength?: number,
    ): void;
    uniformMatrix4x3fv(
        location: WebGLUniformLocation,
        transpose: boolean,
        data: Float32List,
        srcOffset?: number,
        srcLength?: number,
    ): void;
    vertexAttribDivisor(index: number, divisor: number): void;
    vertexAttribI4i(
        index: number,
        x: number,
        y: number,
        z: number,
        w: number,
    ): void;
    vertexAttribI4iv(index: number, values: Int32List): void;
    vertexAttribI4ui(
        index: number,
        x: number,
        y: number,
        z: number,
        w: number,
    ): void;
    vertexAttribI4uiv(index: number, values: Uint32List): void;
    vertexAttribIPointer(
        index: number,
        size: number,
        type: number,
        stride: number,
        offset: number,
    ): void;
    waitSync(sync: WebGLSync, flags: number, timeout: number): void;
}