export declare type Compose20 = {
    <T1, R>(fn1: (arg: T1) => R): (initialArg: T1) => R;
    <T1, T2, R>(fn2: (arg: T2) => R, fn1: (arg: T1) => T2): (initialArg: T1) => R;
    <T1, T2, T3, R>(fn3: (arg: T3) => R, fn2: (arg: T2) => T3, fn1: (arg: T1) => T2): (initialArg: T1) => R;
    <T1, T2, T3, T4, R>(fn4: (arg: T4) => R, fn3: (arg: T3) => T4, fn2: (arg: T2) => T3, fn1: (arg: T1) => T2): (initialArg: T1) => R;
    <T1, T2, T3, T4, T5, R>(fn5: (arg: T5) => R, fn4: (arg: T4) => T5, fn3: (arg: T3) => T4, fn2: (arg: T2) => T3, fn1: (arg: T1) => T2): (initialArg: T1) => R;
    <T1, T2, T3, T4, T5, T6, R>(fn6: (arg: T6) => R, fn5: (arg: T5) => T6, fn4: (arg: T4) => T5, fn3: (arg: T3) => T4, fn2: (arg: T2) => T3, fn1: (arg: T1) => T2): (initialArg: T1) => R;
    <T1, T2, T3, T4, T5, T6, T7, R>(fn7: (arg: T7) => R, fn6: (arg: T6) => T7, fn5: (arg: T5) => T6, fn4: (arg: T4) => T5, fn3: (arg: T3) => T4, fn2: (arg: T2) => T3, fn1: (arg: T1) => T2): (initialArg: T1) => R;
    <T1, T2, T3, T4, T5, T6, T7, T8, R>(fn8: (arg: T8) => R, fn7: (arg: T7) => T8, fn6: (arg: T6) => T7, fn5: (arg: T5) => T6, fn4: (arg: T4) => T5, fn3: (arg: T3) => T4, fn2: (arg: T2) => T3, fn1: (arg: T1) => T2): (initialArg: T1) => R;
    <T1, T2, T3, T4, T5, T6, T7, T8, T9, R>(fn9: (arg: T9) => R, fn8: (arg: T8) => T9, fn7: (arg: T7) => T8, fn6: (arg: T6) => T7, fn5: (arg: T5) => T6, fn4: (arg: T4) => T5, fn3: (arg: T3) => T4, fn2: (arg: T2) => T3, fn1: (arg: T1) => T2): (initialArg: T1) => R;
    <T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, R>(fn10: (arg: T10) => R, fn9: (arg: T9) => T10, fn8: (arg: T8) => T9, fn7: (arg: T7) => T8, fn6: (arg: T6) => T7, fn5: (arg: T5) => T6, fn4: (arg: T4) => T5, fn3: (arg: T3) => T4, fn2: (arg: T2) => T3, fn1: (arg: T1) => T2): (initialArg: T1) => R;
    <T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, R>(fn11: (arg: T11) => R, fn10: (arg: T10) => T11, fn9: (arg: T9) => T10, fn8: (arg: T8) => T9, fn7: (arg: T7) => T8, fn6: (arg: T6) => T7, fn5: (arg: T5) => T6, fn4: (arg: T4) => T5, fn3: (arg: T3) => T4, fn2: (arg: T2) => T3, fn1: (arg: T1) => T2): (initialArg: T1) => R;
    <T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, R>(fn12: (arg: T12) => R, fn11: (arg: T11) => T12, fn10: (arg: T10) => T11, fn9: (arg: T9) => T10, fn8: (arg: T8) => T9, fn7: (arg: T7) => T8, fn6: (arg: T6) => T7, fn5: (arg: T5) => T6, fn4: (arg: T4) => T5, fn3: (arg: T3) => T4, fn2: (arg: T2) => T3, fn1: (arg: T1) => T2): (initialArg: T1) => R;
    <T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, R>(fn13: (arg: T13) => R, fn12: (arg: T12) => T13, fn11: (arg: T11) => T12, fn10: (arg: T10) => T11, fn9: (arg: T9) => T10, fn8: (arg: T8) => T9, fn7: (arg: T7) => T8, fn6: (arg: T6) => T7, fn5: (arg: T5) => T6, fn4: (arg: T4) => T5, fn3: (arg: T3) => T4, fn2: (arg: T2) => T3, fn1: (arg: T1) => T2): (initialArg: T1) => R;
    <T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, R>(fn14: (arg: T14) => R, fn13: (arg: T13) => T14, fn12: (arg: T12) => T13, fn11: (arg: T11) => T12, fn10: (arg: T10) => T11, fn9: (arg: T9) => T10, fn8: (arg: T8) => T9, fn7: (arg: T7) => T8, fn6: (arg: T6) => T7, fn5: (arg: T5) => T6, fn4: (arg: T4) => T5, fn3: (arg: T3) => T4, fn2: (arg: T2) => T3, fn1: (arg: T1) => T2): (initialArg: T1) => R;
    <T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, R>(fn15: (arg: T15) => R, fn14: (arg: T14) => T15, fn13: (arg: T13) => T14, fn12: (arg: T12) => T13, fn11: (arg: T11) => T12, fn10: (arg: T10) => T11, fn9: (arg: T9) => T10, fn8: (arg: T8) => T9, fn7: (arg: T7) => T8, fn6: (arg: T6) => T7, fn5: (arg: T5) => T6, fn4: (arg: T4) => T5, fn3: (arg: T3) => T4, fn2: (arg: T2) => T3, fn1: (arg: T1) => T2): (initialArg: T1) => R;
    <T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, R>(fn16: (arg: T16) => R, fn15: (arg: T15) => T16, fn14: (arg: T14) => T15, fn13: (arg: T13) => T14, fn12: (arg: T12) => T13, fn11: (arg: T11) => T12, fn10: (arg: T10) => T11, fn9: (arg: T9) => T10, fn8: (arg: T8) => T9, fn7: (arg: T7) => T8, fn6: (arg: T6) => T7, fn5: (arg: T5) => T6, fn4: (arg: T4) => T5, fn3: (arg: T3) => T4, fn2: (arg: T2) => T3, fn1: (arg: T1) => T2): (initialArg: T1) => R;
    <T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, R>(fn17: (arg: T17) => R, fn16: (arg: T16) => T17, fn15: (arg: T15) => T16, fn14: (arg: T14) => T15, fn13: (arg: T13) => T14, fn12: (arg: T12) => T13, fn11: (arg: T11) => T12, fn10: (arg: T10) => T11, fn9: (arg: T9) => T10, fn8: (arg: T8) => T9, fn7: (arg: T7) => T8, fn6: (arg: T6) => T7, fn5: (arg: T5) => T6, fn4: (arg: T4) => T5, fn3: (arg: T3) => T4, fn2: (arg: T2) => T3, fn1: (arg: T1) => T2): (initialArg: T1) => R;
    <T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, R>(fn18: (arg: T18) => R, fn17: (arg: T17) => T18, fn16: (arg: T16) => T17, fn15: (arg: T15) => T16, fn14: (arg: T14) => T15, fn13: (arg: T13) => T14, fn12: (arg: T12) => T13, fn11: (arg: T11) => T12, fn10: (arg: T10) => T11, fn9: (arg: T9) => T10, fn8: (arg: T8) => T9, fn7: (arg: T7) => T8, fn6: (arg: T6) => T7, fn5: (arg: T5) => T6, fn4: (arg: T4) => T5, fn3: (arg: T3) => T4, fn2: (arg: T2) => T3, fn1: (arg: T1) => T2): (initialArg: T1) => R;
    <T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, R>(fn19: (arg: T19) => R, fn18: (arg: T18) => T19, fn17: (arg: T17) => T18, fn16: (arg: T16) => T17, fn15: (arg: T15) => T16, fn14: (arg: T14) => T15, fn13: (arg: T13) => T14, fn12: (arg: T12) => T13, fn11: (arg: T11) => T12, fn10: (arg: T10) => T11, fn9: (arg: T9) => T10, fn8: (arg: T8) => T9, fn7: (arg: T7) => T8, fn6: (arg: T6) => T7, fn5: (arg: T5) => T6, fn4: (arg: T4) => T5, fn3: (arg: T3) => T4, fn2: (arg: T2) => T3, fn1: (arg: T1) => T2): (initialArg: T1) => R;
    <T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, R>(fn20: (arg: T20) => R, fn19: (arg: T19) => T20, fn18: (arg: T18) => T19, fn17: (arg: T17) => T18, fn16: (arg: T16) => T17, fn15: (arg: T15) => T16, fn14: (arg: T14) => T15, fn13: (arg: T13) => T14, fn12: (arg: T12) => T13, fn11: (arg: T11) => T12, fn10: (arg: T10) => T11, fn9: (arg: T9) => T10, fn8: (arg: T8) => T9, fn7: (arg: T7) => T8, fn6: (arg: T6) => T7, fn5: (arg: T5) => T6, fn4: (arg: T4) => T5, fn3: (arg: T3) => T4, fn2: (arg: T2) => T3, fn1: (arg: T1) => T2): (initialArg: T1) => R;
    (...fns: Array<(arg: any) => any>): (initialArg: any) => unknown;
};