STRINGIFY(
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// special-cased within the compiler - append takes various arguments depending on what kind of
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// stage is being appended
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sk_has_side_effects void append();
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float abs(float x);
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float sin(float x);
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float cos(float y);
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float tan(float x);
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float sqrt(float x);
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float clamp(float x, float min, float max);
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float2 clamp(float2 x, float min, float max);
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float3 clamp(float3 x, float min, float max);
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float4 clamp(float4 x, float min, float max);
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sk_has_side_effects void print(float x);
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layout(builtin=10009) int sk_x;
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layout(builtin=10010) int sk_y;
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layout(builtin=10004) out half4 sk_OutColor;
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half4 process(fragmentProcessor fp);
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)
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