import type { ShaderSpec } from "@thi.ng/webgl";
export interface MSDFShaderOpts {
    color: boolean;
}
export declare const median3: import("@thi.ng/shader-ast").TaggedFn1<"vec3", "float">;
export declare const msdfSample: import("@thi.ng/shader-ast").TaggedFn2<"sampler2D", "vec2", "vec2">;
export declare const msdfShader: (opts?: Partial<MSDFShaderOpts>) => ShaderSpec;
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